225115310 has 48 divisors (see below), whose sum is σ = 478468944. Its totient is φ = 76019328.

The previous prime is 225115301. The next prime is 225115333. The reversal of 225115310 is 13511522.

It is a happy number.

It is a super-2 number, since 2×225115310² = 101353805592792200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29402 + ... + 36258.

It is an arithmetic number, because the mean of its divisors is an integer number (9968103).

Almost surely, 2^225115310 is an apocalyptic number.

225115310 is an abundant number, since it is smaller than the sum of its proper divisors (253353634).

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

225115310 is a wasteful number, since it uses less digits than its factorization.

225115310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6945 (or 6938 counting only the distinct ones).

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

The square root of 225115310 is about 15003.8431743337. The cubic root of 225115310 is about 608.3240838443.

Adding to 225115310 its reverse (13511522), we get a palindrome (238626832).

The spelling of 225115310 in words is "two hundred twenty-five million, one hundred fifteen thousand, three hundred ten".