225324442 has 12 divisors (see below), whose sum is σ = 393168330. Its totient is φ = 96567576.

The previous prime is 225324389. The next prime is 225324467. The reversal of 225324442 is 244423522.

It can be written as a sum of positive squares in only one way, i.e., 147161161 + 78163281 = 12131^2 + 8841^2 .

It is a super-2 number, since 2×225324442² = 101542208325222728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225324442.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1149517 + ... + 1149712.

Almost surely, 2^225324442 is an apocalyptic number.

225324442 is a deficient number, since it is larger than the sum of its proper divisors (167843888).

225324442 is a wasteful number, since it uses less digits than its factorization.

225324442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299245 (or 2299238 counting only the distinct ones).

The product of its digits is 15360, while the sum is 28.

The square root of 225324442 is about 15010.8108375264. The cubic root of 225324442 is about 608.5124031206.

Adding to 225324442 its reverse (244423522), we get a palindrome (469747964).

The spelling of 225324442 in words is "two hundred twenty-five million, three hundred twenty-four thousand, four hundred forty-two".