22022121022 has 16 divisors (see below), whose sum is σ = 36222921072. Its totient is φ = 9958187520.

The previous prime is 22022120999. The next prime is 22022121071. The reversal of 22022121022 is 22012122022.

It is a super-2 number, since 2×22022121022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22022120987 and 22022121005.

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, 2589033 + ... + 2597524.

It is an arithmetic number, because the mean of its divisors is an integer number (2263932567).

Almost surely, 2^22022121022 is an apocalyptic number.

22022121022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22022121022 is a deficient number, since it is larger than the sum of its proper divisors (14200800050).

22022121022 is a wasteful number, since it uses less digits than its factorization.

22022121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186763.

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

Adding to 22022121022 its reverse (22012122022), we get a palindrome (44034243044).

It can be divided in two parts, 2 and 2022121022, that added together give a square (2022121024 = 44968²).

The spelling of 22022121022 in words is "twenty-two billion, twenty-two million, one hundred twenty-one thousand, twenty-two".