22659298464 has 384 divisors, whose sum is σ = 70988037120. Its totient is φ = 6253977600.

The previous prime is 22659298439. The next prime is 22659298499. The reversal of 22659298464 is 46489295622.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97250092 + ... + 97250324.

It is an arithmetic number, because the mean of its divisors is an integer number (184864680).

Almost surely, 2^22659298464 is an apocalyptic number.

22659298464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22659298464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35494018560).

22659298464 is an abundant number, since it is smaller than the sum of its proper divisors (48328738656).

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

22659298464 is a wasteful number, since it uses less digits than its factorization.

22659298464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 436 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 57.

It can be divided in two parts, 22659 and 298464, that added together give a palindrome (321123).

The spelling of 22659298464 in words is "twenty-two billion, six hundred fifty-nine million, two hundred ninety-eight thousand, four hundred sixty-four".