2522188 has 24 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 1145088.

The previous prime is 2522147. The next prime is 2522189. The reversal of 2522188 is 8812252.

2522188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2522188² = 12722864614688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2522189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1333 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (201600).

2^2522188 is an apocalyptic number.

It is an amenable number.

2522188 is a deficient number, since it is larger than the sum of its proper divisors (2316212).

2522188 is a wasteful number, since it uses less digits than its factorization.

2522188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1327 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 2522188 is about 1588.1397923357. The cubic root of 2522188 is about 136.1212154592.

Subtracting 2522188 from its reverse (8812252), we obtain a square (6290064 = 2508²).

The spelling of 2522188 in words is "two million, five hundred twenty-two thousand, one hundred eighty-eight".