222101022020022 has 48 divisors (see below), whose sum is σ = 507553241045760. Its totient is φ = 69997727090736.

The previous prime is 222101022019997. The next prime is 222101022020023. The reversal of 222101022020022 is 220020220101222.

222101022020022 is a `hidden beast` number, since 2 + 2 + 210 + 10 + 220 + 200 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 222101022019977 and 222101022020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101022020023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 645372898 + ... + 645716949.

It is an arithmetic number, because the mean of its divisors is an integer number (10574025855120).

Almost surely, 2^{222101022020022} is an apocalyptic number.

222101022020022 is an abundant number, since it is smaller than the sum of its proper divisors (285452219025738).

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

222101022020022 is a wasteful number, since it uses less digits than its factorization.

222101022020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291090377 (or 1291090374 counting only the distinct ones).

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

Adding to 222101022020022 its reverse (220020220101222), we get a palindrome (442121242121244).

The spelling of 222101022020022 in words is "two hundred twenty-two trillion, one hundred one billion, twenty-two million, twenty thousand, twenty-two".