22207022208 has 640 divisors, whose sum is σ = 82108857600. Its totient is φ = 5812715520.

The previous prime is 22207022161. The next prime is 22207022209. The reversal of 22207022208 is 80222070222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22207022209) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 50585253 + ... + 50585691.

It is an arithmetic number, because the mean of its divisors is an integer number (128295090).

Almost surely, 2^22207022208 is an apocalyptic number.

22207022208 is a gapful number since it is divisible by the number (28) 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 22207022208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41054428800).

22207022208 is an abundant number, since it is smaller than the sum of its proper divisors (59901835392).

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

22207022208 is a wasteful number, since it uses less digits than its factorization.

22207022208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The spelling of 22207022208 in words is "twenty-two billion, two hundred seven million, twenty-two thousand, two hundred eight".