2522291 has 4 divisors (see below), whose sum is σ = 2548392. Its totient is φ = 2496192.

The previous prime is 2522281. The next prime is 2522293. The reversal of 2522291 is 1922252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2522291 - 2⁶ = 2522227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2522293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12905 + ... + 13098.

It is an arithmetic number, because the mean of its divisors is an integer number (637098).

2^2522291 is an apocalyptic number.

2522291 is a deficient number, since it is larger than the sum of its proper divisors (26101).

2522291 is an equidigital number, since it uses as much as digits as its factorization.

2522291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26100.

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

The square root of 2522291 is about 1588.1722198805. The cubic root of 2522291 is about 136.1230683866.

The spelling of 2522291 in words is "two million, five hundred twenty-two thousand, two hundred ninety-one".