2566634422 has 16 divisors (see below), whose sum is σ = 4241534544. Its totient is φ = 1155100000.

The previous prime is 2566634419. The next prime is 2566634431. The reversal of 2566634422 is 2244366652.

It is a super-2 number, since 2×2566634422² = 13175224512390548168, which contains 22 as substring.

It is a congruent number.

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, 575329 + ... + 579772.

It is an arithmetic number, because the mean of its divisors is an integer number (265095909).

Almost surely, 2^2566634422 is an apocalyptic number.

2566634422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2566634422 is a deficient number, since it is larger than the sum of its proper divisors (1674900122).

2566634422 is a wasteful number, since it uses less digits than its factorization.

2566634422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155215.

The product of its digits is 414720, while the sum is 40.

The square root of 2566634422 is about 50661.9622794064. The cubic root of 2566634422 is about 1369.1614777502.

The spelling of 2566634422 in words is "two billion, five hundred sixty-six million, six hundred thirty-four thousand, four hundred twenty-two".