22399063488 has 84 divisors (see below), whose sum is σ = 66580801560. Its totient is φ = 7466349312.

The previous prime is 22399063483. The next prime is 22399063517. The reversal of 22399063488 is 88436099322.

It is a happy number.

It is a super-2 number, since 2×22399063488² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22399063481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 704583 + ... + 735686.

It is an arithmetic number, because the mean of its divisors is an integer number (792628590).

Almost surely, 2^22399063488 is an apocalyptic number.

It is an amenable number.

22399063488 is an abundant number, since it is smaller than the sum of its proper divisors (44181738072).

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

22399063488 is an equidigital number, since it uses as much as digits as its factorization.

22399063488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440296 (or 1440274 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 22399063488 in words is "twenty-two billion, three hundred ninety-nine million, sixty-three thousand, four hundred eighty-eight".