225012157736 has 24 divisors (see below), whose sum is σ = 445271640570. Its totient is φ = 106584704928.

The previous prime is 225012157723. The next prime is 225012157763. The reversal of 225012157736 is 637751210522.

It can be written as a sum of positive squares in only one way, i.e., 200892204100 + 24119953636 = 448210^2 + 155306^2 .

It is a super-2 number, since 2×225012157736² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225012157693 and 225012157702.

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, 38953511 + ... + 38959286.

Almost surely, 2^225012157736 is an apocalyptic number.

It is an amenable number.

225012157736 is a deficient number, since it is larger than the sum of its proper divisors (220259482834).

225012157736 is a wasteful number, since it uses less digits than its factorization.

225012157736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77912841 (or 77912818 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 225012157736 in words is "two hundred twenty-five billion, twelve million, one hundred fifty-seven thousand, seven hundred thirty-six".