225722117408 has 18 divisors (see below), whose sum is σ = 444395709891. Its totient is φ = 112859714912.

The previous prime is 225722117281. The next prime is 225722117449. The reversal of 225722117408 is 804711227522.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 112861058704 + 112861058704 = 335948^2 + 335948^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=335948.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2645591 + ... + 2729577.

Almost surely, 2^225722117408 is an apocalyptic number.

It is an amenable number.

225722117408 is a deficient number, since it is larger than the sum of its proper divisors (218673592483).

225722117408 is an frugal number, since it uses more digits than its factorization.

225722117408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167984 (or 83989 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The spelling of 225722117408 in words is "two hundred twenty-five billion, seven hundred twenty-two million, one hundred seventeen thousand, four hundred eight".