225244330 has 16 divisors (see below), whose sum is σ = 412087464. Its totient is φ = 88620480.

The previous prime is 225244307. The next prime is 225244387. The reversal of 225244330 is 33442522.

It can be written as a sum of positive squares in 4 ways, for example, as 41126569 + 184117761 = 6413^2 + 13569^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225244295 and 225244304.

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, 184017 + ... + 185236.

Almost surely, 2^225244330 is an apocalyptic number.

225244330 is a deficient number, since it is larger than the sum of its proper divisors (186843134).

225244330 is a wasteful number, since it uses less digits than its factorization.

225244330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369321.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 225244330 is about 15008.1421235275. The cubic root of 225244330 is about 608.4402776057.

Adding to 225244330 its reverse (33442522), we get a palindrome (258686852).

The spelling of 225244330 in words is "two hundred twenty-five million, two hundred forty-four thousand, three hundred thirty".