244222218272 has 54 divisors (see below), whose sum is σ = 484344060543. Its totient is φ = 121220725824.

The previous prime is 244222218269. The next prime is 244222218307. The reversal of 244222218272 is 272812222442.

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., 122111109136 + 122111109136 = 349444^2 + 349444^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=349444.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 556314629 + ... + 556315067.

Almost surely, 2^244222218272 is an apocalyptic number.

It is an amenable number.

244222218272 is a deficient number, since it is larger than the sum of its proper divisors (240121842271).

244222218272 is an frugal number, since it uses more digits than its factorization.

244222218272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286 (or 640 counting only the distinct ones).

The product of its digits is 114688, while the sum is 38.

The spelling of 244222218272 in words is "two hundred forty-four billion, two hundred twenty-two million, two hundred eighteen thousand, two hundred seventy-two".