2522189 has 2 divisors, whose sum is σ = 2522190. Its totient is φ = 2522188.

The previous prime is 2522147. The next prime is 2522209. The reversal of 2522189 is 9812252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2301289 + 220900 = 1517^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 2522189 - 2¹² = 2518093 is a prime.

It is a super-2 number, since 2×2522189² = 12722874703442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2522119) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261094 + 1261095.

It is an arithmetic number, because the mean of its divisors is an integer number (1261095).

2^2522189 is an apocalyptic number.

It is an amenable number.

2522189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2522189 is an equidigital number, since it uses as much as digits as its factorization.

2522189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 2522189 is about 1588.1401071694. The cubic root of 2522189 is about 136.1212334490.

The spelling of 2522189 in words is "two million, five hundred twenty-two thousand, one hundred eighty-nine".