2249731760 has 20 divisors (see below), whose sum is σ = 5230626528. Its totient is φ = 899892672.

The previous prime is 2249731747. The next prime is 2249731777. The reversal of 2249731760 is 671379422.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2249731760² = 10122585983905395200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14060744 + ... + 14060903.

Almost surely, 2^2249731760 is an apocalyptic number.

2249731760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2249731760 is an abundant number, since it is smaller than the sum of its proper divisors (2980894768).

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

2249731760 is a wasteful number, since it uses less digits than its factorization.

2249731760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28121660 (or 28121654 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 2249731760 is about 47431.3373203835. The cubic root of 2249731760 is about 1310.3186218741.

The spelling of 2249731760 in words is "two billion, two hundred forty-nine million, seven hundred thirty-one thousand, seven hundred sixty".