22112212022 has 32 divisors (see below), whose sum is σ = 35147182080. Its totient is φ = 10419140160.

The previous prime is 22112212013. The next prime is 22112212091. The reversal of 22112212022 is 22021221122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326633 + ... + 388475.

It is an arithmetic number, because the mean of its divisors is an integer number (1098349440).

Almost surely, 2^22112212022 is an apocalyptic number.

22112212022 is a deficient number, since it is larger than the sum of its proper divisors (13034970058).

22112212022 is a wasteful number, since it uses less digits than its factorization.

22112212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62028.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22112212022 its reverse (22021221122), we get a palindrome (44133433144).

The spelling of 22112212022 in words is "twenty-two billion, one hundred twelve million, two hundred twelve thousand, twenty-two".