225422790 has 32 divisors (see below), whose sum is σ = 541472256. Its totient is φ = 60061920.

The previous prime is 225422789. The next prime is 225422803. The reversal of 225422790 is 97224522.

It is a congruent number.

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, 44739 + ... + 49521.

It is an arithmetic number, because the mean of its divisors is an integer number (16921008).

Almost surely, 2^225422790 is an apocalyptic number.

225422790 is an abundant number, since it is smaller than the sum of its proper divisors (316049466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225422790 is a wasteful number, since it uses less digits than its factorization.

225422790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 225422790 is about 15014.0863857912. The cubic root of 225422790 is about 608.6009232894.

The spelling of 225422790 in words is "two hundred twenty-five million, four hundred twenty-two thousand, seven hundred ninety".