244155556 has 12 divisors (see below), whose sum is σ = 428816668. Its totient is φ = 121636512.

The previous prime is 244155551. The next prime is 244155559. The reversal of 244155556 is 655551442.

It can be written as a sum of positive squares in 2 ways, for example, as 76038400 + 168117156 = 8720^2 + 12966^2 .

It is a super-2 number, since 2×244155556² = 119223871051338272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (244155551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109071 + ... + 111286.

Almost surely, 2^244155556 is an apocalyptic number.

It is an amenable number.

244155556 is a deficient number, since it is larger than the sum of its proper divisors (184661112).

244155556 is a wasteful number, since it uses less digits than its factorization.

244155556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220638 (or 220636 counting only the distinct ones).

The product of its digits is 120000, while the sum is 37.

The square root of 244155556 is about 15625.4777846951. The cubic root of 244155556 is about 625.0127408603.

The spelling of 244155556 in words is "two hundred forty-four million, one hundred fifty-five thousand, five hundred fifty-six".