225513310 has 32 divisors (see below), whose sum is σ = 444400992. Its totient is φ = 81713280.

The previous prime is 225513283. The next prime is 225513311. The reversal of 225513310 is 13315522.

It is a super-2 number, since 2×225513310² = 101712505974312200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225513311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28732 + ... + 35728.

It is an arithmetic number, because the mean of its divisors is an integer number (13887531).

Almost surely, 2^225513310 is an apocalyptic number.

225513310 is a deficient number, since it is larger than the sum of its proper divisors (218887682).

225513310 is a wasteful number, since it uses less digits than its factorization.

225513310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7308.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 225513310 is about 15017.1005856657. The cubic root of 225513310 is about 608.6823749522.

Adding to 225513310 its reverse (13315522), we get a palindrome (238828832).

The spelling of 225513310 in words is "two hundred twenty-five million, five hundred thirteen thousand, three hundred ten".