22413222231421 has 16 divisors (see below), whose sum is σ = 25626980966400. Its totient is φ = 19202432257008.

The previous prime is 22413222231377. The next prime is 22413222231437. The reversal of 22413222231421 is 12413222231422.

It is not a de Polignac number, because 22413222231421 - 2³⁷ = 22275783277949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22413222231121) 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, 241895220 + ... + 241987858.

It is an arithmetic number, because the mean of its divisors is an integer number (1601686310400).

Almost surely, 2^{22413222231421} is an apocalyptic number.

It is an amenable number.

22413222231421 is a deficient number, since it is larger than the sum of its proper divisors (3213758734979).

22413222231421 is a wasteful number, since it uses less digits than its factorization.

22413222231421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108288.

The product of its digits is 18432, while the sum is 31.

Adding to 22413222231421 its reverse (12413222231422), we get a palindrome (34826444462843).

Subtracting from 22413222231421 its reverse (12413222231422), we obtain a palindrome (9999999999999).

The spelling of 22413222231421 in words is "twenty-two trillion, four hundred thirteen billion, two hundred twenty-two million, two hundred thirty-one thousand, four hundred twenty-one".