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22094772 = 2237377109
BaseRepresentation
bin101010001001…
…0001110110100
31112120112022220
41110102032310
521124013042
62105322340
7355542150
oct124221664
945515286
1022094772
1111521147
1274963b0
134767a3b
142d12060
151e168ec
hex15123b4

22094772 has 48 divisors (see below), whose sum is σ = 60520320. Its totient is φ = 6141312.

The previous prime is 22094759. The next prime is 22094783. The reversal of 22094772 is 27749022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447 + ... + 6662.

It is an arithmetic number, because the mean of its divisors is an integer number (1260840).

Almost surely, 222094772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22094772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30260160).

22094772 is an abundant number, since it is smaller than the sum of its proper divisors (38425548).

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

22094772 is a wasteful number, since it uses less digits than its factorization.

22094772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7160 (or 7158 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 22094772 is about 4700.5076321606. The cubic root of 22094772 is about 280.6057125515.

The spelling of 22094772 in words is "twenty-two million, ninety-four thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 37 42 74 84 111 148 222 259 444 518 777 1036 1554 3108 7109 14218 21327 28436 42654 49763 85308 99526 149289 199052 263033 298578 526066 597156 789099 1052132 1578198 1841231 3156396 3682462 5523693 7364924 11047386 22094772