225601944 has 32 divisors (see below), whose sum is σ = 564897840. Its totient is φ = 75081600.

The previous prime is 225601939. The next prime is 225601997. The reversal of 225601944 is 449106522.

225601944 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8754 + ... + 22974.

Almost surely, 2^225601944 is an apocalyptic number.

225601944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

225601944 is an abundant number, since it is smaller than the sum of its proper divisors (339295896).

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

225601944 is a wasteful number, since it uses less digits than its factorization.

225601944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14891 (or 14887 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 225601944 is about 15020.0513980479. The cubic root of 225601944 is about 608.7621084383.

The spelling of 225601944 in words is "two hundred twenty-five million, six hundred one thousand, nine hundred forty-four".