2259821360 has 20 divisors (see below), whose sum is σ = 5254084848. Its totient is φ = 903928512.

The previous prime is 2259821357. The next prime is 2259821401. The reversal of 2259821360 is 631289522.

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

It is a super-2 number, since 2×2259821360² = 10213585158224499200, 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, 14123804 + ... + 14123963.

Almost surely, 2^2259821360 is an apocalyptic number.

2259821360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2259821360 is an abundant number, since it is smaller than the sum of its proper divisors (2994263488).

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

2259821360 is a wasteful number, since it uses less digits than its factorization.

2259821360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28247780 (or 28247774 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2259821360 is about 47537.5783985680. The cubic root of 2259821360 is about 1312.2745403811.

The spelling of 2259821360 in words is "two billion, two hundred fifty-nine million, eight hundred twenty-one thousand, three hundred sixty".