222221002211022 has 16 divisors (see below), whose sum is σ = 458778843274752. Its totient is φ = 71684194261560.

The previous prime is 222221002211009. The next prime is 222221002211029. The reversal of 222221002211022 is 220112200122222.

It is a super-2 number, since 2×222221002211022² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222221002211022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221002211029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597368285328 + ... + 597368285699.

It is an arithmetic number, because the mean of its divisors is an integer number (28673677704672).

Almost surely, 2^{222221002211022} is an apocalyptic number.

222221002211022 is an abundant number, since it is smaller than the sum of its proper divisors (236557841063730).

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

222221002211022 is a wasteful number, since it uses less digits than its factorization.

222221002211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194736571063.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222221002211022 its reverse (220112200122222), we get a palindrome (442333202333244).

The spelling of 222221002211022 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two million, two hundred eleven thousand, twenty-two".