22112212222022 has 48 divisors (see below), whose sum is σ = 36002264227632. Its totient is φ = 10181136551040.

The previous prime is 22112212222021. The next prime is 22112212222129. The reversal of 22112212222022 is 22022221221122.

It is a super-2 number, since 2×22112212222022² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112212222021) 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, 484076648 + ... + 484122324.

It is an arithmetic number, because the mean of its divisors is an integer number (750047171409).

Almost surely, 2^{22112212222022} is an apocalyptic number.

22112212222022 is a deficient number, since it is larger than the sum of its proper divisors (13890052005610).

22112212222022 is a wasteful number, since it uses less digits than its factorization.

22112212222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49113 (or 49100 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22112212222022 its reverse (22022221221122), we get a palindrome (44134433443144).

The spelling of 22112212222022 in words is "twenty-two trillion, one hundred twelve billion, two hundred twelve million, two hundred twenty-two thousand, twenty-two".