2522129 has 4 divisors (see below), whose sum is σ = 2603520. Its totient is φ = 2440740.

The previous prime is 2522119. The next prime is 2522147. The reversal of 2522129 is 9212252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2522129 - 2²⁰ = 1473553 is a prime.

It is a super-2 number, since 2×2522129² = 12722269385282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2522119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40649 + ... + 40710.

It is an arithmetic number, because the mean of its divisors is an integer number (650880).

2^2522129 is an apocalyptic number.

It is an amenable number.

2522129 is a deficient number, since it is larger than the sum of its proper divisors (81391).

2522129 is an equidigital number, since it uses as much as digits as its factorization.

2522129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81390.

The product of its digits is 720, while the sum is 23.

The square root of 2522129 is about 1588.1212170360. The cubic root of 2522129 is about 136.1201540508.

The spelling of 2522129 in words is "two million, five hundred twenty-two thousand, one hundred twenty-nine".