22406393568 has 192 divisors, whose sum is σ = 67619059200. Its totient is φ = 6438942720.

The previous prime is 22406393447. The next prime is 22406393573. The reversal of 22406393568 is 86539360422.

It is a super-2 number, since 2×22406393568² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1676898 + ... + 1690206.

It is an arithmetic number, because the mean of its divisors is an integer number (352182600).

Almost surely, 2^22406393568 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 22406393568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33809529600).

22406393568 is an abundant number, since it is smaller than the sum of its proper divisors (45212665632).

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

22406393568 is a wasteful number, since it uses less digits than its factorization.

22406393568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13425 (or 13417 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 22406393568 in words is "twenty-two billion, four hundred six million, three hundred ninety-three thousand, five hundred sixty-eight".