225525244 has 24 divisors (see below), whose sum is σ = 460258400. Its totient is φ = 96653088.

The previous prime is 225525241. The next prime is 225525253. The reversal of 225525244 is 442525522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225525241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80817 + ... + 83560.

Almost surely, 2^225525244 is an apocalyptic number.

It is an amenable number.

225525244 is an abundant number, since it is smaller than the sum of its proper divisors (234733156).

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

225525244 is a wasteful number, since it uses less digits than its factorization.

225525244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164402 (or 164386 counting only the distinct ones).

The product of its digits is 32000, while the sum is 31.

The square root of 225525244 is about 15017.4979274179. The cubic root of 225525244 is about 608.6931117720.

The spelling of 225525244 in words is "two hundred twenty-five million, five hundred twenty-five thousand, two hundred forty-four".