22657234 has 8 divisors (see below), whose sum is σ = 35774640. Its totient is φ = 10732356.

The previous prime is 22657213. The next prime is 22657237. The reversal of 22657234 is 43275622.

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

It is a junction number, because it is equal to n+sod(n) for n = 22657196 and 22657205.

It is not an unprimeable number, because it can be changed into a prime (22657237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298084 + ... + 298159.

It is an arithmetic number, because the mean of its divisors is an integer number (4471830).

Almost surely, 2^22657234 is an apocalyptic number.

22657234 is a deficient number, since it is larger than the sum of its proper divisors (13117406).

22657234 is a wasteful number, since it uses less digits than its factorization.

22657234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596264.

The product of its digits is 20160, while the sum is 31.

The square root of 22657234 is about 4759.9615544666. The cubic root of 22657234 is about 282.9668954522.

The spelling of 22657234 in words is "twenty-two million, six hundred fifty-seven thousand, two hundred thirty-four".