2249697024 has 72 divisors (see below), whose sum is σ = 6652770320. Its totient is φ = 749896704.

The previous prime is 2249697013. The next prime is 2249697029. The reversal of 2249697024 is 4207969422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×2249697024² = 10122273399588913152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249697029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155827 + ... + 169650.

Almost surely, 2^2249697024 is an apocalyptic number.

2249697024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2249697024 is an abundant number, since it is smaller than the sum of its proper divisors (4403073296).

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

2249697024 is an equidigital number, since it uses as much as digits as its factorization.

2249697024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325502 (or 325482 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 2249697024 is about 47430.9711475529. The cubic root of 2249697024 is about 1310.3118780387.

The spelling of 2249697024 in words is "two billion, two hundred forty-nine million, six hundred ninety-seven thousand, twenty-four".