225122502072 has 32 divisors (see below), whose sum is σ = 606099044880. Its totient is φ = 69268462080.

The previous prime is 225122502067. The next prime is 225122502083. The reversal of 225122502072 is 270205221522.

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, 360772929 + ... + 360773552.

Almost surely, 2^225122502072 is an apocalyptic number.

It is an amenable number.

225122502072 is an abundant number, since it is smaller than the sum of its proper divisors (380976542808).

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

225122502072 is a wasteful number, since it uses less digits than its factorization.

225122502072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721546503 (or 721546499 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

Adding to 225122502072 its reverse (270205221522), we get a palindrome (495327723594).

The spelling of 225122502072 in words is "two hundred twenty-five billion, one hundred twenty-two million, five hundred two thousand, seventy-two".