22432402432221 has 4 divisors (see below), whose sum is σ = 29909869909632. Its totient is φ = 14954934954812.

The previous prime is 22432402432211. The next prime is 22432402432247. The reversal of 22432402432221 is 12223420423422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22432402432221 - 2¹⁴ = 22432402415837 is a prime.

It is a super-2 number, since 2×22432402432221² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22432402432211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3738733738701 + ... + 3738733738706.

It is an arithmetic number, because the mean of its divisors is an integer number (7477467477408).

Almost surely, 2^{22432402432221} is an apocalyptic number.

It is an amenable number.

22432402432221 is a deficient number, since it is larger than the sum of its proper divisors (7477467477411).

22432402432221 is an equidigital number, since it uses as much as digits as its factorization.

22432402432221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7477467477410.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 22432402432221 its reverse (12223420423422), we get a palindrome (34655822855643).

The spelling of 22432402432221 in words is "twenty-two trillion, four hundred thirty-two billion, four hundred two million, four hundred thirty-two thousand, two hundred twenty-one".