225711344 has 40 divisors (see below), whose sum is σ = 447523440. Its totient is φ = 110246400.

The previous prime is 225711323. The next prime is 225711347. The reversal of 225711344 is 443117522.

It is a super-2 number, since 2×225711344² = 101891221620572672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225711347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 170204 + ... + 171524.

It is an arithmetic number, because the mean of its divisors is an integer number (11188086).

Almost surely, 2^225711344 is an apocalyptic number.

It is an amenable number.

225711344 is a deficient number, since it is larger than the sum of its proper divisors (221812096).

225711344 is a wasteful number, since it uses less digits than its factorization.

225711344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569 (or 1563 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 225711344 is about 15023.6927551118. The cubic root of 225711344 is about 608.8604938383.

Adding to 225711344 its reverse (443117522), we get a palindrome (668828866).

The spelling of 225711344 in words is "two hundred twenty-five million, seven hundred eleven thousand, three hundred forty-four".