2522663 has 24 divisors (see below), whose sum is σ = 3162240. Its totient is φ = 1990560.

The previous prime is 2522659. The next prime is 2522669. The reversal of 2522663 is 3662252.

It is not a de Polignac number, because 2522663 - 2² = 2522659 is a prime.

It is a super-2 number, since 2×2522663² = 12727657223138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522669) 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 23 ways as a sum of consecutive naturals, for example, 42728 + ... + 42786.

It is an arithmetic number, because the mean of its divisors is an integer number (131760).

2^2522663 is an apocalyptic number.

2522663 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2522663 is a deficient number, since it is larger than the sum of its proper divisors (639577).

2522663 is a wasteful number, since it uses less digits than its factorization.

2522663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 106 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 2522663 is about 1588.2893313247. The cubic root of 2522663 is about 136.1297600930.

The spelling of 2522663 in words is "two million, five hundred twenty-two thousand, six hundred sixty-three".