22332023540 has 24 divisors (see below), whose sum is σ = 49365526560. Its totient is φ = 8462661408.

The previous prime is 22332023537. The next prime is 22332023543. The reversal of 22332023540 is 4532023322.

It is an interprime number because it is at equal distance from previous prime (22332023537) and next prime (22332023543).

It is a super-2 number, since 2×22332023540² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22332023543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29383862 + ... + 29384621.

It is an arithmetic number, because the mean of its divisors is an integer number (2056896940).

Almost surely, 2^22332023540 is an apocalyptic number.

22332023540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22332023540 is an abundant number, since it is smaller than the sum of its proper divisors (27033503020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22332023540 is a wasteful number, since it uses less digits than its factorization.

22332023540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58768511 (or 58768509 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 22332023540 its reverse (4532023322), we get a palindrome (26864046862).

The spelling of 22332023540 in words is "twenty-two billion, three hundred thirty-two million, twenty-three thousand, five hundred forty".