525556226 has 32 divisors (see below), whose sum is σ = 900802560. Its totient is φ = 227961216.

The previous prime is 525556219. The next prime is 525556259. The reversal of 525556226 is 622655525.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 525556226.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58550 + ... + 66926.

It is an arithmetic number, because the mean of its divisors is an integer number (28150080).

Almost surely, 2^525556226 is an apocalyptic number.

525556226 is a deficient number, since it is larger than the sum of its proper divisors (375246334).

525556226 is a wasteful number, since it uses less digits than its factorization.

525556226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8538.

The product of its digits is 180000, while the sum is 38.

The square root of 525556226 is about 22925.0131079570. The cubic root of 525556226 is about 806.9991211749. Note that the first 3 decimals are identical.

The spelling of 525556226 in words is "five hundred twenty-five million, five hundred fifty-six thousand, two hundred twenty-six".