22856906 has 8 divisors (see below), whose sum is σ = 34625124. Its totient is φ = 11315200.

The previous prime is 22856887. The next prime is 22856923. The reversal of 22856906 is 60965822.

It can be written as a sum of positive squares in 2 ways, for example, as 22231225 + 625681 = 4715^2 + 791^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22856906.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56375 + ... + 56778.

Almost surely, 2^22856906 is an apocalyptic number.

22856906 is a deficient number, since it is larger than the sum of its proper divisors (11768218).

22856906 is a wasteful number, since it uses less digits than its factorization.

22856906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113256.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 22856906 is about 4780.8896661605. The cubic root of 22856906 is about 283.7957021097.

The spelling of 22856906 in words is "twenty-two million, eight hundred fifty-six thousand, nine hundred six".