2522279 has 4 divisors (see below), whose sum is σ = 2583840. Its totient is φ = 2460720.

The previous prime is 2522263. The next prime is 2522281. The reversal of 2522279 is 9722252.

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 2522279 - 2⁴ = 2522263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522209) 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, 30719 + ... + 30800.

It is an arithmetic number, because the mean of its divisors is an integer number (645960).

2^2522279 is an apocalyptic number.

2522279 is a deficient number, since it is larger than the sum of its proper divisors (61561).

2522279 is an equidigital number, since it uses as much as digits as its factorization.

2522279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61560.

The product of its digits is 5040, while the sum is 29.

The square root of 2522279 is about 1588.1684419481. The cubic root of 2522279 is about 136.1228525142.

The spelling of 2522279 in words is "two million, five hundred twenty-two thousand, two hundred seventy-nine".