23656222 has 4 divisors (see below), whose sum is σ = 35484336. Its totient is φ = 11828110.

The previous prime is 23656219. The next prime is 23656223. The reversal of 23656222 is 22265632.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23656223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5914054 + ... + 5914057.

It is an arithmetic number, because the mean of its divisors is an integer number (8871084).

Almost surely, 2^23656222 is an apocalyptic number.

23656222 is a deficient number, since it is larger than the sum of its proper divisors (11828114).

23656222 is a wasteful number, since it uses less digits than its factorization.

23656222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11828113.

The product of its digits is 8640, while the sum is 28.

The square root of 23656222 is about 4863.7662361590. The cubic root of 23656222 is about 287.0660250270.

The spelling of 23656222 in words is "twenty-three million, six hundred fifty-six thousand, two hundred twenty-two".