225420654 has 96 divisors (see below), whose sum is σ = 509644800. Its totient is φ = 66306240.

The previous prime is 225420647. The next prime is 225420667. The reversal of 225420654 is 456024522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2853387 + ... + 2853465.

It is an arithmetic number, because the mean of its divisors is an integer number (5308800).

Almost surely, 2^225420654 is an apocalyptic number.

225420654 is an abundant number, since it is smaller than the sum of its proper divisors (284224146).

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

225420654 is a wasteful number, since it uses less digits than its factorization.

225420654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 225420654 is about 15014.0152524233. The cubic root of 225420654 is about 608.5990010116.

The spelling of 225420654 in words is "two hundred twenty-five million, four hundred twenty thousand, six hundred fifty-four".