22664896740 has 288 divisors, whose sum is σ = 75790076544. Its totient is φ = 5665904640.

The previous prime is 22664896721. The next prime is 22664896763. The reversal of 22664896740 is 4769846622.

22664896740 is a `hidden beast` number, since 2 + 2 + 66 + 489 + 67 + 40 = 666.

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 95 ways as a sum of consecutive naturals, for example, 32799795 + ... + 32800485.

It is an arithmetic number, because the mean of its divisors is an integer number (263159988).

Almost surely, 2^22664896740 is an apocalyptic number.

22664896740 is a gapful number since it is divisible by the number (20) 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 22664896740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37895038272).

22664896740 is an abundant number, since it is smaller than the sum of its proper divisors (53125179804).

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

22664896740 is a wasteful number, since it uses less digits than its factorization.

22664896740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 22664896740 in words is "twenty-two billion, six hundred sixty-four million, eight hundred ninety-six thousand, seven hundred forty".