222221112221022 has 16 divisors (see below), whose sum is σ = 455282278697232. Its totient is φ = 72267028364480.

The previous prime is 222221112220937. The next prime is 222221112221029. The reversal of 222221112221022 is 220122211122222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222221112220983 and 222221112221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221112221029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451668927033 + ... + 451668927524.

It is an arithmetic number, because the mean of its divisors is an integer number (28455142418577).

Almost surely, 2^{222221112221022} is an apocalyptic number.

222221112221022 is an abundant number, since it is smaller than the sum of its proper divisors (233061166476210).

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

222221112221022 is a wasteful number, since it uses less digits than its factorization.

222221112221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903337854603.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 222221112221022 its reverse (220122211122222), we get a palindrome (442343323343244).

The spelling of 222221112221022 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, two hundred twenty-one thousand, twenty-two".