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22345668 = 22323120023
BaseRepresentation
bin101010100111…
…1011111000100
31120001021111100
41111033133010
521210030133
62114540100
7360635502
oct125173704
946037440
1022345668
11116826a4
127597630
134824cb7
142d79672
151e65e13
hex154f7c4

22345668 has 36 divisors (see below), whose sum is σ = 58309888. Its totient is φ = 7207920.

The previous prime is 22345657. The next prime is 22345693. The reversal of 22345668 is 86654322.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8896 + ... + 11127.

Almost surely, 222345668 is an apocalyptic number.

It is an amenable number.

22345668 is an abundant number, since it is smaller than the sum of its proper divisors (35964220).

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

22345668 is a wasteful number, since it uses less digits than its factorization.

22345668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20064 (or 20059 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 22345668 is about 4727.1204765692. The cubic root of 22345668 is about 281.6638517667.

The spelling of 22345668 in words is "twenty-two million, three hundred forty-five thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 20023 40046 60069 80092 120138 180207 240276 360414 620713 720828 1241426 1862139 2482852 3724278 5586417 7448556 11172834 22345668