225890270 has 16 divisors (see below), whose sum is σ = 408533328. Its totient is φ = 89927040.

The previous prime is 225890267. The next prime is 225890281. The reversal of 225890270 is 72098522.

It is a self number, because there is not a number n which added to its sum of digits gives 225890270.

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, 51419 + ... + 55638.

It is an arithmetic number, because the mean of its divisors is an integer number (25533333).

Almost surely, 2^225890270 is an apocalyptic number.

225890270 is a deficient number, since it is larger than the sum of its proper divisors (182643058).

225890270 is a wasteful number, since it uses less digits than its factorization.

225890270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107275.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 225890270 is about 15029.6463697587. The cubic root of 225890270 is about 609.0213367345.

The spelling of 225890270 in words is "two hundred twenty-five million, eight hundred ninety thousand, two hundred seventy".