2249244681 has 32 divisors (see below), whose sum is σ = 3326269440. Its totient is φ = 1345538304.

The previous prime is 2249244659. The next prime is 2249244749. The reversal of 2249244681 is 1864429422.

It is not a de Polignac number, because 2249244681 - 2⁹ = 2249244169 is a prime.

It is a super-2 number, since 2×2249244681² = 10118203270013583522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2249244601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126705 + ... + 143361.

It is an arithmetic number, because the mean of its divisors is an integer number (103945920).

Almost surely, 2^2249244681 is an apocalyptic number.

It is an amenable number.

2249244681 is a deficient number, since it is larger than the sum of its proper divisors (1077024759).

2249244681 is a wasteful number, since it uses less digits than its factorization.

2249244681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16805.

The product of its digits is 221184, while the sum is 42.

The square root of 2249244681 is about 47426.2024728947. The cubic root of 2249244681 is about 1310.2240513775.

The spelling of 2249244681 in words is "two billion, two hundred forty-nine million, two hundred forty-four thousand, six hundred eighty-one".