2249644156 has 12 divisors (see below), whose sum is σ = 4144081480. Its totient is φ = 1065620880.

The previous prime is 2249644151. The next prime is 2249644157. The reversal of 2249644156 is 6514469422.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249644151) 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, 14800215 + ... + 14800366.

Almost surely, 2^2249644156 is an apocalyptic number.

It is an amenable number.

2249644156 is a deficient number, since it is larger than the sum of its proper divisors (1894437324).

2249644156 is a wasteful number, since it uses less digits than its factorization.

2249644156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29600604 (or 29600602 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 2249644156 is about 47430.4138291034. The cubic root of 2249644156 is about 1310.3016138253.

The spelling of 2249644156 in words is "two billion, two hundred forty-nine million, six hundred forty-four thousand, one hundred fifty-six".