22089625408 has 56 divisors (see below), whose sum is σ = 46004853888. Its totient is φ = 10503415296.

The previous prime is 22089625403. The next prime is 22089625421. The reversal of 22089625408 is 80452698022.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22089625403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211285 + ... + 298027.

It is an arithmetic number, because the mean of its divisors is an integer number (821515248).

Almost surely, 2^22089625408 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 22089625408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23002426944).

22089625408 is an abundant number, since it is smaller than the sum of its proper divisors (23915228480).

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

22089625408 is a wasteful number, since it uses less digits than its factorization.

22089625408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86951 (or 86941 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 22089625408 in words is "twenty-two billion, eighty-nine million, six hundred twenty-five thousand, four hundred eight".