225724022672 has 40 divisors (see below), whose sum is σ = 445700189880. Its totient is φ = 110705653760.

The previous prime is 225724022659. The next prime is 225724022743. The reversal of 225724022672 is 276220427522.

225724022672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 20174225296 + 205549797376 = 142036^2 + 453376^2 .

It is a super-2 number, since 2×225724022672² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3718904 + ... + 3779112.

It is an arithmetic number, because the mean of its divisors is an integer number (11142504747).

Almost surely, 2^225724022672 is an apocalyptic number.

It is an amenable number.

225724022672 is a deficient number, since it is larger than the sum of its proper divisors (219976167208).

225724022672 is a wasteful number, since it uses less digits than its factorization.

225724022672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64691 (or 64685 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 41.

The spelling of 225724022672 in words is "two hundred twenty-five billion, seven hundred twenty-four million, twenty-two thousand, six hundred seventy-two".