2521122 has 16 divisors (see below), whose sum is σ = 5261760. Its totient is φ = 803792.

The previous prime is 2521111. The next prime is 2521147. The reversal of 2521122 is 2211252.

It is a super-2 number, since 2×2521122² = 12712112277768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8997 + ... + 9272.

It is an arithmetic number, because the mean of its divisors is an integer number (328860).

2^2521122 is an apocalyptic number.

2521122 is an abundant number, since it is smaller than the sum of its proper divisors (2740638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2521122 is a wasteful number, since it uses less digits than its factorization.

2521122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18297.

The product of its digits is 80, while the sum is 15.

The square root of 2521122 is about 1587.8041440933. The cubic root of 2521122 is about 136.1020355958.

Adding to 2521122 its reverse (2211252), we get a palindrome (4732374).

The spelling of 2521122 in words is "two million, five hundred twenty-one thousand, one hundred twenty-two".