2238253668 has 48 divisors (see below), whose sum is σ = 6631864960. Its totient is φ = 639500832.

The previous prime is 2238253649. The next prime is 2238253681. The reversal of 2238253668 is 8663528322.

2238253668 is a `hidden beast` number, since 22 + 38 + 2 + 536 + 68 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1479571 + ... + 1481082.

Almost surely, 2^2238253668 is an apocalyptic number.

2238253668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2238253668 is an abundant number, since it is smaller than the sum of its proper divisors (4393611292).

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

2238253668 is a wasteful number, since it uses less digits than its factorization.

2238253668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960673 (or 2960665 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 2238253668 is about 47310.1856686274. The cubic root of 2238253668 is about 1308.0864137842.

The spelling of 2238253668 in words is "two billion, two hundred thirty-eight million, two hundred fifty-three thousand, six hundred sixty-eight".