225131150 has 12 divisors (see below), whose sum is σ = 418744032. Its totient is φ = 90052440.

The previous prime is 225131149. The next prime is 225131161. The reversal of 225131150 is 51131522.

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 5 ways as a sum of consecutive naturals, for example, 2251262 + ... + 2251361.

It is an arithmetic number, because the mean of its divisors is an integer number (34895336).

Almost surely, 2^225131150 is an apocalyptic number.

225131150 is a deficient number, since it is larger than the sum of its proper divisors (193612882).

225131150 is a wasteful number, since it uses less digits than its factorization.

225131150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502635 (or 4502630 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 225131150 is about 15004.3710298033. The cubic root of 225131150 is about 608.3383515359.

Adding to 225131150 its reverse (51131522), we get a palindrome (276262672).

The spelling of 225131150 in words is "two hundred twenty-five million, one hundred thirty-one thousand, one hundred fifty".