2399352228 has 144 divisors (see below), whose sum is σ = 7617500800. Its totient is φ = 632753856.

The previous prime is 2399352211. The next prime is 2399352299. The reversal of 2399352228 is 8222539932.

2399352228 is a `hidden beast` number, since 2 + 39 + 93 + 522 + 2 + 8 = 666.

It is a super-2 number, since 2×2399352228² = 11513782228017127968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153051 + ... + 167997.

Almost surely, 2^2399352228 is an apocalyptic number.

2399352228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2399352228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3808750400).

2399352228 is an abundant number, since it is smaller than the sum of its proper divisors (5218148572).

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

2399352228 is a wasteful number, since it uses less digits than its factorization.

2399352228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14991 (or 14972 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 2399352228 is about 48983.1831142077. The cubic root of 2399352228 is about 1338.7454337919.

The spelling of 2399352228 in words is "two billion, three hundred ninety-nine million, three hundred fifty-two thousand, two hundred twenty-eight".