225720767652 has 24 divisors (see below), whose sum is σ = 526942969056. Its totient is φ = 75202944768.

The previous prime is 225720767617. The next prime is 225720767707. The reversal of 225720767652 is 256767027522.

It is a junction number, because it is equal to n+sod(n) for n = 225720767595 and 225720767604.

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, 4638678 + ... + 4687085.

It is an arithmetic number, because the mean of its divisors is an integer number (21955957044).

Almost surely, 2^225720767652 is an apocalyptic number.

It is an amenable number.

225720767652 is an abundant number, since it is smaller than the sum of its proper divisors (301222201404).

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

225720767652 is a wasteful number, since it uses less digits than its factorization.

225720767652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9327787 (or 9327785 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 51.

The spelling of 225720767652 in words is "two hundred twenty-five billion, seven hundred twenty million, seven hundred sixty-seven thousand, six hundred fifty-two".