22956385 has 8 divisors (see below), whose sum is σ = 27691560. Its totient is φ = 18269184.

The previous prime is 22956377. The next prime is 22956403. The reversal of 22956385 is 58365922.

It can be written as a sum of positive squares in 4 ways, for example, as 2704 + 22953681 = 52^2 + 4791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22956385 - 2³ = 22956377 is a prime.

It is a super-2 number, since 2×22956385² = 1053991224536450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10930 + ... + 12859.

It is an arithmetic number, because the mean of its divisors is an integer number (3461445).

Almost surely, 2^22956385 is an apocalyptic number.

It is an amenable number.

22956385 is a deficient number, since it is larger than the sum of its proper divisors (4735175).

22956385 is a wasteful number, since it uses less digits than its factorization.

22956385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23987.

The product of its digits is 129600, while the sum is 40.

The square root of 22956385 is about 4791.2821874734. The cubic root of 22956385 is about 284.2068229940.

The spelling of 22956385 in words is "twenty-two million, nine hundred fifty-six thousand, three hundred eighty-five".