22022022 has 16 divisors (see below), whose sum is σ = 48048192. Its totient is φ = 6673320.

The previous prime is 22022009. The next prime is 22022023.

22022022 is nontrivially palindromic in base 10.

22022022 is a modest number, since divided by 22022 gives 22 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22021989 and 22022007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022023) 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, 166768 + ... + 166899.

It is an arithmetic number, because the mean of its divisors is an integer number (3003012).

Almost surely, 2^22022022 is an apocalyptic number.

22022022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22022022 is an abundant number, since it is smaller than the sum of its proper divisors (26026170).

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

22022022 is a wasteful number, since it uses less digits than its factorization.

22022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333683.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 22022022 is about 4692.7627257299. The cubic root of 22022022 is about 280.2973965991.

It can be divided in two parts, 2202 and 2022, that added together give a palindrome (4224).

The spelling of 22022022 in words is "twenty-two million, twenty-two thousand, twenty-two".