226891556 has 12 divisors (see below), whose sum is σ = 397273968. Its totient is φ = 113384712.

The previous prime is 226891541. The next prime is 226891579. The reversal of 226891556 is 655198622.

It is a super-2 number, since 2×226891556² = 102959556368202272, which 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, 6326 + ... + 22221.

It is an arithmetic number, because the mean of its divisors is an integer number (33106164).

Almost surely, 2^226891556 is an apocalyptic number.

It is an amenable number.

226891556 is a deficient number, since it is larger than the sum of its proper divisors (170382412).

226891556 is a wasteful number, since it uses less digits than its factorization.

226891556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30538 (or 30536 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The square root of 226891556 is about 15062.9199028608. The cubic root of 226891556 is about 609.9198640587.

The spelling of 226891556 in words is "two hundred twenty-six million, eight hundred ninety-one thousand, five hundred fifty-six".