22666531392 has 336 divisors, whose sum is σ = 71893785600. Its totient is φ = 6796247040.

The previous prime is 22666531387. The next prime is 22666531397. The reversal of 22666531392 is 29313566622.

It is an interprime number because it is at equal distance from previous prime (22666531387) and next prime (22666531397).

It is not an unprimeable number, because it can be changed into a prime (22666531397) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27015709 + ... + 27016547.

It is an arithmetic number, because the mean of its divisors is an integer number (213969600).

Almost surely, 2^22666531392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22666531392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35946892800).

22666531392 is an abundant number, since it is smaller than the sum of its proper divisors (49227254208).

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

22666531392 is a wasteful number, since it uses less digits than its factorization.

22666531392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 981 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The spelling of 22666531392 in words is "twenty-two billion, six hundred sixty-six million, five hundred thirty-one thousand, three hundred ninety-two".