22220204002000 has 80 divisors (see below), whose sum is σ = 53770077226944. Its totient is φ = 8881195920000.

The previous prime is 22220204001977. The next prime is 22220204002001. The reversal of 22220204002000 is 20040202222.

It is a tau number, because it is divible by the number of its divisors (80).

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 (22220204002001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1720906 + ... + 6884905.

Almost surely, 2^{22220204002000} is an apocalyptic number.

22220204002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220204002000 is an abundant number, since it is smaller than the sum of its proper divisors (31549873224944).

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

22220204002000 is a wasteful number, since it uses less digits than its factorization.

22220204002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8607125 (or 8607109 counting only the distinct ones).

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

Adding to 22220204002000 its reverse (20040202222), we get a palindrome (22240244204222).

The spelling of 22220204002000 in words is "twenty-two trillion, two hundred twenty billion, two hundred four million, two thousand".