22989798540 has 48 divisors (see below), whose sum is σ = 71523819360. Its totient is φ = 6130612800.

The previous prime is 22989798539. The next prime is 22989798551. The reversal of 22989798540 is 4589798922.

It is a happy number.

22989798540 is a `hidden beast` number, since 2 + 2 + 9 + 89 + 7 + 9 + 8 + 540 = 666.

It is a super-2 number, since 2×22989798540² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21286311 + ... + 21287390.

It is an arithmetic number, because the mean of its divisors is an integer number (1490079570).

Almost surely, 2^22989798540 is an apocalyptic number.

22989798540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22989798540 is an abundant number, since it is smaller than the sum of its proper divisors (48534020820).

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

22989798540 is a wasteful number, since it uses less digits than its factorization.

22989798540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42573719 (or 42573711 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 22989798540 in words is "twenty-two billion, nine hundred eighty-nine million, seven hundred ninety-eight thousand, five hundred forty".