22220555322 has 64 divisors (see below), whose sum is σ = 51490059264. Its totient is φ = 6261467520.

The previous prime is 22220555311. The next prime is 22220555351. The reversal of 22220555322 is 22355502222.

It is a self number, because there is not a number n which added to its sum of digits gives 22220555322.

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, 2145697 + ... + 2156027.

It is an arithmetic number, because the mean of its divisors is an integer number (804532176).

Almost surely, 2^22220555322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22220555322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25745029632).

22220555322 is an abundant number, since it is smaller than the sum of its proper divisors (29269503942).

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

22220555322 is a wasteful number, since it uses less digits than its factorization.

22220555322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11043.

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 22220555322 in words is "twenty-two billion, two hundred twenty million, five hundred fifty-five thousand, three hundred twenty-two".