225244531012 has 6 divisors (see below), whose sum is σ = 394177929278. Its totient is φ = 112622265504.

The previous prime is 225244530989. The next prime is 225244531079. The reversal of 225244531012 is 210135442522.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 167367719236 + 57876811776 = 409106^2 + 240576^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28155566373 + ... + 28155566380.

Almost surely, 2^225244531012 is an apocalyptic number.

It is an amenable number.

225244531012 is a deficient number, since it is larger than the sum of its proper divisors (168933398266).

225244531012 is a wasteful number, since it uses less digits than its factorization.

225244531012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56311132757 (or 56311132755 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 225244531012 its reverse (210135442522), we get a palindrome (435379973534).

The spelling of 225244531012 in words is "two hundred twenty-five billion, two hundred forty-four million, five hundred thirty-one thousand, twelve".