226904578444 has 12 divisors (see below), whose sum is σ = 399612204544. Its totient is φ = 112729662864.

The previous prime is 226904578393. The next prime is 226904578457. The reversal of 226904578444 is 444875409622.

It is a super-2 number, since 2×226904578444² (a number of 24 digits) contains 22 as substring.

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, 180655884 + ... + 180657139.

Almost surely, 2^226904578444 is an apocalyptic number.

It is an amenable number.

226904578444 is a deficient number, since it is larger than the sum of its proper divisors (172707626100).

226904578444 is a wasteful number, since it uses less digits than its factorization.

226904578444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361313184 (or 361313182 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 226904578444 in words is "two hundred twenty-six billion, nine hundred four million, five hundred seventy-eight thousand, four hundred forty-four".