225005290 has 16 divisors (see below), whose sum is σ = 405482112. Its totient is φ = 89897104.

The previous prime is 225005273. The next prime is 225005293. The reversal of 225005290 is 92500522.

It is not an unprimeable number, because it can be changed into a prime (225005293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3814 + ... + 21553.

It is an arithmetic number, because the mean of its divisors is an integer number (25342632).

Almost surely, 2^225005290 is an apocalyptic number.

225005290 is a deficient number, since it is larger than the sum of its proper divisors (180476822).

225005290 is a wasteful number, since it uses less digits than its factorization.

225005290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26261.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 225005290 is about 15000.1763322969. The cubic root of 225005290 is about 608.2249661642.

The spelling of 225005290 in words is "two hundred twenty-five million, five thousand, two hundred ninety".