22859923842 has 90 divisors (see below), whose sum is σ = 59621261337. Its totient is φ = 6527558016.

The previous prime is 22859923771. The next prime is 22859923901. The reversal of 22859923842 is 24832995822.

It is a happy number.

22859923842 is a `hidden beast` number, since 2 + 2 + 8 + 599 + 2 + 3 + 8 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15765062481 + 7094861361 = 125559^2 + 84231^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106911.

It is a super-2 number, since 2×22859923842² (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 an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 13469938 + ... + 13471634.

Almost surely, 2^22859923842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22859923842

22859923842 is an abundant number, since it is smaller than the sum of its proper divisors (36761337495).

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

22859923842 is an frugal number, since it uses more digits than its factorization.

22859923842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422 (or 1709 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 22859923842 in words is "twenty-two billion, eight hundred fifty-nine million, nine hundred twenty-three thousand, eight hundred forty-two".