22344212450421 has 12 divisors (see below), whose sum is σ = 32804071467180. Its totient is φ = 14651942590080.

The previous prime is 22344212450411. The next prime is 22344212450423. The reversal of 22344212450421 is 12405421244322.

22344212450421 is a `hidden beast` number, since 2 + 2 + 3 + 4 + 4 + 2 + 124 + 504 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6983260767396 + 15360951683025 = 2642586^2 + 3919305^2 .

It is not a de Polignac number, because 22344212450421 - 2⁷ = 22344212450293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22344212450423) 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, 20349919716 + ... + 20349920813.

It is an arithmetic number, because the mean of its divisors is an integer number (2733672622265).

Almost surely, 2^{22344212450421} is an apocalyptic number.

It is an amenable number.

22344212450421 is a deficient number, since it is larger than the sum of its proper divisors (10459859016759).

22344212450421 is a wasteful number, since it uses less digits than its factorization.

22344212450421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40699840596 (or 40699840593 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 22344212450421 its reverse (12405421244322), we get a palindrome (34749633694743).

The spelling of 22344212450421 in words is "twenty-two trillion, three hundred forty-four billion, two hundred twelve million, four hundred fifty thousand, four hundred twenty-one".