226390864 has 40 divisors (see below), whose sum is σ = 514851968. Its totient is φ = 94400640.

The previous prime is 226390841. The next prime is 226390903. The reversal of 226390864 is 468093622.

It is a congruent number.

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, 23172 + ... + 31459.

Almost surely, 2^226390864 is an apocalyptic number.

It is an amenable number.

226390864 is an abundant number, since it is smaller than the sum of its proper divisors (288461104).

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

226390864 is a wasteful number, since it uses less digits than its factorization.

226390864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54683 (or 54677 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 226390864 is about 15046.2907056856. The cubic root of 226390864 is about 609.4708875942.

The spelling of 226390864 in words is "two hundred twenty-six million, three hundred ninety thousand, eight hundred sixty-four".