225570422 has 24 divisors (see below), whose sum is σ = 429381000. Its totient is φ = 87884160.

The previous prime is 225570419. The next prime is 225570431. The reversal of 225570422 is 224075522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103547 + ... + 105702.

It is an arithmetic number, because the mean of its divisors is an integer number (17890875).

Almost surely, 2^225570422 is an apocalyptic number.

225570422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225570422 is a deficient number, since it is larger than the sum of its proper divisors (203810578).

225570422 is a wasteful number, since it uses less digits than its factorization.

225570422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209276 (or 209269 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 225570422 is about 15019.0020307609. The cubic root of 225570422 is about 608.7337542308.

The spelling of 225570422 in words is "two hundred twenty-five million, five hundred seventy thousand, four hundred twenty-two".