2249708928 has 64 divisors (see below), whose sum is σ = 6137335920. Its totient is φ = 729630720.

The previous prime is 2249708897. The next prime is 2249708947. The reversal of 2249708928 is 8298079422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2249708928² = 10122380521445818368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64963 + ... + 93378.

Almost surely, 2^2249708928 is an apocalyptic number.

It is an amenable number.

2249708928 is an abundant number, since it is smaller than the sum of its proper divisors (3887626992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2249708928 is a wasteful number, since it uses less digits than its factorization.

2249708928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158395 (or 158383 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 2249708928 is about 47431.0966350136. The cubic root of 2249708928 is about 1310.3141891536.

The spelling of 2249708928 in words is "two billion, two hundred forty-nine million, seven hundred eight thousand, nine hundred twenty-eight".