22022201100204 has 36 divisors (see below), whose sum is σ = 55667380008240. Its totient is φ = 7340713992480.

The previous prime is 22022201100167. The next prime is 22022201100259. The reversal of 22022201100204 is 40200110222022.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20021482 + ... + 21092750.

It is an arithmetic number, because the mean of its divisors is an integer number (1546316111340).

Almost surely, 2^{22022201100204} is an apocalyptic number.

It is an amenable number.

22022201100204 is an abundant number, since it is smaller than the sum of its proper divisors (33645178908036).

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

22022201100204 is a wasteful number, since it uses less digits than its factorization.

22022201100204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642310 (or 1642305 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22022201100204 its reverse (40200110222022), we get a palindrome (62222311322226).

The spelling of 22022201100204 in words is "twenty-two trillion, twenty-two billion, two hundred one million, one hundred thousand, two hundred four".