226623656 has 16 divisors (see below), whose sum is σ = 485622240. Its totient is φ = 97124400.

The previous prime is 226623643. The next prime is 226623673. The reversal of 226623656 is 656326622.

It is a happy number.

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, 2023370 + ... + 2023481.

It is an arithmetic number, because the mean of its divisors is an integer number (30351390).

Almost surely, 2^226623656 is an apocalyptic number.

It is an amenable number.

226623656 is an abundant number, since it is smaller than the sum of its proper divisors (258998584).

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

226623656 is a wasteful number, since it uses less digits than its factorization.

226623656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046864 (or 4046860 counting only the distinct ones).

The product of its digits is 155520, while the sum is 38.

The square root of 226623656 is about 15054.0245781651. The cubic root of 226623656 is about 609.6797171992.

The spelling of 226623656 in words is "two hundred twenty-six million, six hundred twenty-three thousand, six hundred fifty-six".