225738556 has 24 divisors (see below), whose sum is σ = 404341056. Its totient is φ = 110223360.

The previous prime is 225738547. The next prime is 225738571. The reversal of 225738556 is 655837522.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 107436 + ... + 109516.

It is an arithmetic number, because the mean of its divisors is an integer number (16847544).

Almost surely, 2^225738556 is an apocalyptic number.

It is an amenable number.

225738556 is a deficient number, since it is larger than the sum of its proper divisors (178602500).

225738556 is a wasteful number, since it uses less digits than its factorization.

225738556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709 (or 2707 counting only the distinct ones).

The product of its digits is 504000, while the sum is 43.

The square root of 225738556 is about 15024.5983640163. The cubic root of 225738556 is about 608.8849611449.

The spelling of 225738556 in words is "two hundred twenty-five million, seven hundred thirty-eight thousand, five hundred fifty-six".