22168887408 has 50 divisors (see below), whose sum is σ = 64163195624. Its totient is φ = 7389628704.

The previous prime is 22168887347. The next prime is 22168887409. The reversal of 22168887408 is 80478886122.

22168887408 is a `hidden beast` number, since 221 + 6 + 8 + 8 + 8 + 7 + 408 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22168887409) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8551516 + ... + 8554107.

Almost surely, 2^22168887408 is an apocalyptic number.

It is an amenable number.

22168887408 is an abundant number, since it is smaller than the sum of its proper divisors (41994308216).

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

22168887408 is a wasteful number, since it uses less digits than its factorization.

22168887408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17105643 (or 17105628 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 54.

The spelling of 22168887408 in words is "twenty-two billion, one hundred sixty-eight million, eight hundred eighty-seven thousand, four hundred eight".