22322210021 has 16 divisors (see below), whose sum is σ = 24429619200. Its totient is φ = 20317878000.

The previous prime is 22322210003. The next prime is 22322210039. The reversal of 22322210021 is 12001222322.

It is an interprime number because it is at equal distance from previous prime (22322210003) and next prime (22322210039).

It is not a de Polignac number, because 22322210021 - 2²² = 22318015717 is a prime.

It is a super-3 number, since 3×22322210021³ (a number of 32 digits) contains 333 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 (22322210051) 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, 54455 + ... + 218196.

It is an arithmetic number, because the mean of its divisors is an integer number (1526851200).

Almost surely, 2^22322210021 is an apocalyptic number.

It is an amenable number.

22322210021 is a deficient number, since it is larger than the sum of its proper divisors (2107409179).

22322210021 is a wasteful number, since it uses less digits than its factorization.

22322210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272840.

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

Adding to 22322210021 its reverse (12001222322), we get a palindrome (34323432343).

The spelling of 22322210021 in words is "twenty-two billion, three hundred twenty-two million, two hundred ten thousand, twenty-one".