22122043301421 has 48 divisors (see below), whose sum is σ = 38112991887360. Its totient is φ = 12089557735200.

The previous prime is 22122043301417. The next prime is 22122043301471. The reversal of 22122043301421 is 12410334022122.

22122043301421 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 204 + 3 + 30 + 1 + 421 = 666.

It is not a de Polignac number, because 22122043301421 - 2² = 22122043301417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122043301401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7552746 + ... + 10064196.

It is an arithmetic number, because the mean of its divisors is an integer number (794020664320).

Almost surely, 2^{22122043301421} is an apocalyptic number.

22122043301421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22122043301421 is a deficient number, since it is larger than the sum of its proper divisors (15990948585939).

22122043301421 is a wasteful number, since it uses less digits than its factorization.

22122043301421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517566 (or 2517563 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 22122043301421 its reverse (12410334022122), we get a palindrome (34532377323543).

The spelling of 22122043301421 in words is "twenty-two trillion, one hundred twenty-two billion, forty-three million, three hundred one thousand, four hundred twenty-one".