225143564 has 6 divisors (see below), whose sum is σ = 394001244. Its totient is φ = 112571780.

The previous prime is 225143561. The next prime is 225143579. The reversal of 225143564 is 465341522.

It is a self number, because there is not a number n which added to its sum of digits gives 225143564.

It is not an unprimeable number, because it can be changed into a prime (225143561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28142942 + ... + 28142949.

It is an arithmetic number, because the mean of its divisors is an integer number (65666874).

Almost surely, 2^225143564 is an apocalyptic number.

It is an amenable number.

225143564 is a deficient number, since it is larger than the sum of its proper divisors (168857680).

225143564 is a wasteful number, since it uses less digits than its factorization.

225143564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56285895 (or 56285893 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 225143564 is about 15004.7847035537. The cubic root of 225143564 is about 608.3495328311.

The spelling of 225143564 in words is "two hundred twenty-five million, one hundred forty-three thousand, five hundred sixty-four".