22022122012 has 24 divisors (see below), whose sum is σ = 42458501232. Its totient is φ = 9910944000.

The previous prime is 22022121983. The next prime is 22022122049. The reversal of 22022122012 is 21022122022.

It is a super-2 number, since 2×22022122012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2473293 + ... + 2482180.

It is an arithmetic number, because the mean of its divisors is an integer number (1769104218).

Almost surely, 2^22022122012 is an apocalyptic number.

22022122012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22022122012 is a deficient number, since it is larger than the sum of its proper divisors (20436379220).

22022122012 is a wasteful number, since it uses less digits than its factorization.

22022122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955589 (or 4955587 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22022122012 its reverse (21022122022), we get a palindrome (43044244034).

The spelling of 22022122012 in words is "twenty-two billion, twenty-two million, one hundred twenty-two thousand, twelve".