225015566 has 8 divisors (see below), whose sum is σ = 339010920. Its totient is φ = 112011928.

The previous prime is 225015559. The next prime is 225015599. The reversal of 225015566 is 665510522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247361 + ... + 248268.

It is an arithmetic number, because the mean of its divisors is an integer number (42376365).

Almost surely, 2^225015566 is an apocalyptic number.

225015566 is a deficient number, since it is larger than the sum of its proper divisors (113995354).

225015566 is a wasteful number, since it uses less digits than its factorization.

225015566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495858.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 225015566 is about 15000.5188576929. The cubic root of 225015566 is about 608.2342252422.

The spelling of 225015566 in words is "two hundred twenty-five million, fifteen thousand, five hundred sixty-six".