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22084320 = 2535139331
BaseRepresentation
bin101010000111…
…1101011100000
31112112222222210
41110033223200
521123144240
62105202120
7355466526
oct124175340
945488883
1022084320
1111514305
127490340
13476305b
142d0c316
151e13780
hex150fae0

22084320 has 96 divisors (see below), whose sum is σ = 70277760. Its totient is φ = 5829120.

The previous prime is 22084319. The next prime is 22084331. The reversal of 22084320 is 2348022.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66555 + ... + 66885.

It is an arithmetic number, because the mean of its divisors is an integer number (732060).

Almost surely, 222084320 is an apocalyptic number.

22084320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22084320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35138880).

22084320 is an abundant number, since it is smaller than the sum of its proper divisors (48193440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22084320 is a wasteful number, since it uses less digits than its factorization.

22084320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 22084320 is about 4699.3957058328. The cubic root of 22084320 is about 280.5614584401.

The spelling of 22084320 in words is "twenty-two million, eighty-four thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 139 160 240 278 331 417 480 556 662 695 834 993 1112 1324 1390 1655 1668 1986 2085 2224 2648 2780 3310 3336 3972 4170 4448 4965 5296 5560 6620 6672 7944 8340 9930 10592 11120 13240 13344 15888 16680 19860 22240 26480 31776 33360 39720 46009 52960 66720 79440 92018 138027 158880 184036 230045 276054 368072 460090 552108 690135 736144 920180 1104216 1380270 1472288 1840360 2208432 2760540 3680720 4416864 5521080 7361440 11042160 22084320