225720079722 has 24 divisors (see below), whose sum is σ = 489104732064. Its totient is φ = 75233171304.

The previous prime is 225720079703. The next prime is 225720079723. The reversal of 225720079722 is 227970027522.

225720079722 is a `hidden beast` number, since 2 + 2 + 572 + 0 + 0 + 7 + 9 + 72 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (225720079723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366238 + ... + 765225.

It is an arithmetic number, because the mean of its divisors is an integer number (20379363836).

Almost surely, 2^225720079722 is an apocalyptic number.

225720079722 is an abundant number, since it is smaller than the sum of its proper divisors (263384652342).

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

225720079722 is a wasteful number, since it uses less digits than its factorization.

225720079722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142554 (or 1142551 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 225720079722 in words is "two hundred twenty-five billion, seven hundred twenty million, seventy-nine thousand, seven hundred twenty-two".