22166122 has 24 divisors (see below), whose sum is σ = 38295072. Its totient is φ = 9541800.

The previous prime is 22166101. The next prime is 22166143.

22166122 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (22166101) and next prime (22166143).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22166093 and 22166102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6547 + ... + 9337.

It is an arithmetic number, because the mean of its divisors is an integer number (1595628).

Almost surely, 2^22166122 is an apocalyptic number.

22166122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22166122 is a deficient number, since it is larger than the sum of its proper divisors (16128950).

22166122 is a wasteful number, since it uses less digits than its factorization.

22166122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842 (or 2823 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 22166122 is about 4708.0911206135. The cubic root of 22166122 is about 280.9074386017.

It can be divided in two parts, 2216 and 6122, that added together give a palindrome (8338).

The spelling of 22166122 in words is "twenty-two million, one hundred sixty-six thousand, one hundred twenty-two".