225361964 has 12 divisors (see below), whose sum is σ = 415140600. Its totient is φ = 106750368.

The previous prime is 225361949. The next prime is 225361993. The reversal of 225361964 is 469163522.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1482569 + ... + 1482720.

It is an arithmetic number, because the mean of its divisors is an integer number (34595050).

Almost surely, 2^225361964 is an apocalyptic number.

It is an amenable number.

225361964 is a deficient number, since it is larger than the sum of its proper divisors (189778636).

225361964 is a wasteful number, since it uses less digits than its factorization.

225361964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965312 (or 2965310 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 225361964 is about 15012.0606180497. The cubic root of 225361964 is about 608.5461786177.

The spelling of 225361964 in words is "two hundred twenty-five million, three hundred sixty-one thousand, nine hundred sixty-four".