2522189400 has 48 divisors (see below), whose sum is σ = 7818789000. Its totient is φ = 672583680.

The previous prime is 2522189359. The next prime is 2522189401. The reversal of 2522189400 is 49812252.

It is a super-2 number, since 2×2522189400² = 12722878738944720000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522189401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2101225 + ... + 2102424.

Almost surely, 2^2522189400 is an apocalyptic number.

2522189400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522189400 is an abundant number, since it is smaller than the sum of its proper divisors (5296599600).

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

2522189400 is a wasteful number, since it uses less digits than its factorization.

2522189400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203668 (or 4203659 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 2522189400 is about 50221.4038035577. The cubic root of 2522189400 is about 1361.2124064493.

The spelling of 2522189400 in words is "two billion, five hundred twenty-two million, one hundred eighty-nine thousand, four hundred".