22413305231421 has 32 divisors (see below), whose sum is σ = 33903466544640. Its totient is φ = 13056681034944.

The previous prime is 22413305231399. The next prime is 22413305231453. The reversal of 22413305231421 is 12413250331422.

It is a happy number.

It is not a de Polignac number, because 22413305231421 - 2⁹ = 22413305230909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22413305231221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10837051 + ... + 12738456.

It is an arithmetic number, because the mean of its divisors is an integer number (1059483329520).

Almost surely, 2^{22413305231421} is an apocalyptic number.

It is an amenable number.

22413305231421 is a deficient number, since it is larger than the sum of its proper divisors (11490161313219).

22413305231421 is a wasteful number, since it uses less digits than its factorization.

22413305231421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23576825.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 22413305231421 its reverse (12413250331422), we get a palindrome (34826555562843).

The spelling of 22413305231421 in words is "twenty-two trillion, four hundred thirteen billion, three hundred five million, two hundred thirty-one thousand, four hundred twenty-one".