22100169 has 16 divisors (see below), whose sum is σ = 36267392. Its totient is φ = 11657088.

The previous prime is 22100167. The next prime is 22100191. The reversal of 22100169 is 96100122.

It is not a de Polignac number, because 22100169 - 2¹ = 22100167 is a prime.

It is a super-2 number, since 2×22100169² = 976834939657122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22100167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40204 + ... + 40749.

It is an arithmetic number, because the mean of its divisors is an integer number (2266712).

Almost surely, 2^22100169 is an apocalyptic number.

It is an amenable number.

22100169 is a deficient number, since it is larger than the sum of its proper divisors (14167223).

22100169 is a wasteful number, since it uses less digits than its factorization.

22100169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80976.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 22100169 is about 4701.0816840383. The cubic root of 22100169 is about 280.6285581631.

The spelling of 22100169 in words is "twenty-two million, one hundred thousand, one hundred sixty-nine".