22220422000 has 240 divisors, whose sum is σ = 63966700512. Its totient is φ = 7439846400.

The previous prime is 22220421997. The next prime is 22220422009. The reversal of 22220422000 is 22402222.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220422009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4211364 + ... + 4216636.

Almost surely, 2^22220422000 is an apocalyptic number.

22220422000 is a gapful number since it is divisible by the number (20) 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 22220422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31983350256).

22220422000 is an abundant number, since it is smaller than the sum of its proper divisors (41746278512).

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

22220422000 is a wasteful number, since it uses less digits than its factorization.

22220422000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353 (or 5330 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22220422000 its reverse (22402222), we get a palindrome (22242824222).

The spelling of 22220422000 in words is "twenty-two billion, two hundred twenty million, four hundred twenty-two thousand".