22320410021 has 32 divisors (see below), whose sum is σ = 27990875136. Its totient is φ = 17327520000.

The previous prime is 22320409997. The next prime is 22320410023. The reversal of 22320410021 is 12001402322.

It is not a de Polignac number, because 22320410021 - 2¹⁸ = 22320147877 is a prime.

It is a super-3 number, since 3×22320410021³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22320410023) 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, 2332196 + ... + 2341746.

It is an arithmetic number, because the mean of its divisors is an integer number (874714848).

Almost surely, 2^22320410021 is an apocalyptic number.

It is an amenable number.

22320410021 is a deficient number, since it is larger than the sum of its proper divisors (5670465115).

22320410021 is a wasteful number, since it uses less digits than its factorization.

22320410021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10053.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22320410021 its reverse (12001402322), we get a palindrome (34321812343).

The spelling of 22320410021 in words is "twenty-two billion, three hundred twenty million, four hundred ten thousand, twenty-one".