21822863372695 has 32 divisors (see below), whose sum is σ = 32652814680576. Its totient is φ = 13602386313600.

The previous prime is 21822863372657. The next prime is 21822863372711. The reversal of 21822863372695 is 59627336822812.

It is not a de Polignac number, because 21822863372695 - 2³⁷ = 21685424419223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480825 + ... + 6623965.

It is an arithmetic number, because the mean of its divisors is an integer number (1020400458768).

Almost surely, 2^{21822863372695} is an apocalyptic number.

21822863372695 is a deficient number, since it is larger than the sum of its proper divisors (10829951307881).

21822863372695 is a wasteful number, since it uses less digits than its factorization.

21822863372695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6152391.

The product of its digits is 104509440, while the sum is 64.

The spelling of 21822863372695 in words is "twenty-one trillion, eight hundred twenty-two billion, eight hundred sixty-three million, three hundred seventy-two thousand, six hundred ninety-five".