22444105013021 has 16 divisors (see below), whose sum is σ = 22654074193920. Its totient is φ = 22234664551680.

The previous prime is 22444105013003. The next prime is 22444105013059. The reversal of 22444105013021 is 12031050144422.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22444105013021 - 2¹⁴ = 22444104996637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444105013221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810564545 + ... + 810592233.

It is an arithmetic number, because the mean of its divisors is an integer number (1415879637120).

Almost surely, 2^{22444105013021} is an apocalyptic number.

It is an amenable number.

22444105013021 is a deficient number, since it is larger than the sum of its proper divisors (209969180899).

22444105013021 is a wasteful number, since it uses less digits than its factorization.

22444105013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36964.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 22444105013021 its reverse (12031050144422), we get a palindrome (34475155157443).

The spelling of 22444105013021 in words is "twenty-two trillion, four hundred forty-four billion, one hundred five million, thirteen thousand, twenty-one".