22023422432021 has 16 divisors (see below), whose sum is σ = 22127908071168. Its totient is φ = 21919184654400.

The previous prime is 22023422431991. The next prime is 22023422432101. The reversal of 22023422432021 is 12023422432022.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22023422432021 is a prime.

It is a super-2 number, since 2×22023422432021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023421432021) 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, 535295111 + ... + 535336251.

It is an arithmetic number, because the mean of its divisors is an integer number (1382994254448).

Almost surely, 2^{22023422432021} is an apocalyptic number.

It is an amenable number.

22023422432021 is a deficient number, since it is larger than the sum of its proper divisors (104485639147).

22023422432021 is a wasteful number, since it uses less digits than its factorization.

22023422432021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44092.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 22023422432021 its reverse (12023422432022), we get a palindrome (34046844864043).

Subtracting from 22023422432021 its reverse (12023422432022), we obtain a palindrome (9999999999999).

The spelling of 22023422432021 in words is "twenty-two trillion, twenty-three billion, four hundred twenty-two million, four hundred thirty-two thousand, twenty-one".