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22284060 = 2235715231
BaseRepresentation
bin101010100000…
…0011100011100
31112221010222120
41111000130130
521201042220
62113342540
7360261051
oct125003434
945833876
1022284060
1111640387
127567a50
134802c46
142d61028
151e52a40
hex154071c

22284060 has 48 divisors (see below), whose sum is σ = 63286272. Its totient is φ = 5857600.

The previous prime is 22284043. The next prime is 22284061. The reversal of 22284060 is 6048222.

It is a self number, because there is not a number n which added to its sum of digits gives 22284060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22284061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1645 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (1318464).

Almost surely, 222284060 is an apocalyptic number.

22284060 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 22284060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31643136).

22284060 is an abundant number, since it is smaller than the sum of its proper divisors (41002212).

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

22284060 is a wasteful number, since it uses less digits than its factorization.

22284060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5314 (or 5312 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 22284060 is about 4720.5995381943. The cubic root of 22284060 is about 281.4047602583.

The spelling of 22284060 in words is "twenty-two million, two hundred eighty-four thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 710 852 1065 1420 2130 4260 5231 10462 15693 20924 26155 31386 52310 62772 78465 104620 156930 313860 371401 742802 1114203 1485604 1857005 2228406 3714010 4456812 5571015 7428020 11142030 22284060