22344021330021 has 12 divisors (see below), whose sum is σ = 32303284468780. Its totient is φ = 14882820223680.

The previous prime is 22344021329999. The next prime is 22344021330053. The reversal of 22344021330021 is 12003312044322.

22344021330021 is a `hidden beast` number, since 2 + 2 + 3 + 440 + 213 + 3 + 0 + 0 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7571913427521 + 14772107902500 = 2751711^2 + 3843450^2 .

It is not a de Polignac number, because 22344021330021 - 2²⁵ = 22343987775589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22344021230021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1099488970 + ... + 1099509291.

Almost surely, 2^{22344021330021} is an apocalyptic number.

It is an amenable number.

22344021330021 is a deficient number, since it is larger than the sum of its proper divisors (9959263138759).

22344021330021 is a wasteful number, since it uses less digits than its factorization.

22344021330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198999396 (or 2198999393 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 22344021330021 its reverse (12003312044322), we get a palindrome (34347333374343).

The spelling of 22344021330021 in words is "twenty-two trillion, three hundred forty-four billion, twenty-one million, three hundred thirty thousand, twenty-one".