2153518224 has 80 divisors (see below), whose sum is σ = 6535873344. Its totient is φ = 602380800.

The previous prime is 2153518219. The next prime is 2153518247. The reversal of 2153518224 is 4228153512.

It is a super-2 number, since 2×2153518224² = 9275281482200228352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 150007 + ... + 163734.

Almost surely, 2^2153518224 is an apocalyptic number.

2153518224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2153518224 is an abundant number, since it is smaller than the sum of its proper divisors (4382355120).

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

2153518224 is a wasteful number, since it uses less digits than its factorization.

2153518224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313776 (or 313770 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 2153518224 is about 46406.0149549603. The cubic root of 2153518224 is about 1291.3665033903.

The spelling of 2153518224 in words is "two billion, one hundred fifty-three million, five hundred eighteen thousand, two hundred twenty-four".