225121350 has 48 divisors (see below), whose sum is σ = 559303488. Its totient is φ = 59924640.

The previous prime is 225121339. The next prime is 225121387. The reversal of 225121350 is 53121522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117097 + ... + 119003.

It is an arithmetic number, because the mean of its divisors is an integer number (11652156).

Almost surely, 2^225121350 is an apocalyptic number.

225121350 is an abundant number, since it is smaller than the sum of its proper divisors (334182138).

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

225121350 is a wasteful number, since it uses less digits than its factorization.

225121350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709 (or 2704 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 225121350 is about 15004.0444547462. The cubic root of 225121350 is about 608.3295243814.

Adding to 225121350 its reverse (53121522), we get a palindrome (278242872).

The spelling of 225121350 in words is "two hundred twenty-five million, one hundred twenty-one thousand, three hundred fifty".