244224981 has 48 divisors (see below), whose sum is σ = 473665920. Its totient is φ = 117106560.

The previous prime is 244224923. The next prime is 244224997. The reversal of 244224981 is 189422442.

It is not a de Polignac number, because 244224981 - 2⁷ = 244224853 is a prime.

It is a super-2 number, since 2×244224981² = 119291682688900722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244224781) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4546 + ... + 22563.

It is an arithmetic number, because the mean of its divisors is an integer number (9868040).

Almost surely, 2^244224981 is an apocalyptic number.

244224981 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

244224981 is a deficient number, since it is larger than the sum of its proper divisors (229440939).

244224981 is a wasteful number, since it uses less digits than its factorization.

244224981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27146 (or 27143 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 244224981 is about 15627.6991588653. The cubic root of 244224981 is about 625.0719754976.

It can be divided in two parts, 24422 and 4981, that added together give a triangular number (29403 = T₂₄₂).

The spelling of 244224981 in words is "two hundred forty-four million, two hundred twenty-four thousand, nine hundred eighty-one".