22163869 has 16 divisors (see below), whose sum is σ = 28885248. Its totient is φ = 16503552.

The previous prime is 22163839. The next prime is 22163887. The reversal of 22163869 is 96836122.

It is not a de Polignac number, because 22163869 - 2⁷ = 22163741 is a prime.

It is a super-2 number, since 2×22163869² = 982474178098322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22163839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5617 + ... + 8710.

It is an arithmetic number, because the mean of its divisors is an integer number (1805328).

Almost surely, 2^22163869 is an apocalyptic number.

It is an amenable number.

22163869 is a deficient number, since it is larger than the sum of its proper divisors (6721379).

22163869 is a wasteful number, since it uses less digits than its factorization.

22163869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14364.

The product of its digits is 31104, while the sum is 37.

The square root of 22163869 is about 4707.8518455873. The cubic root of 22163869 is about 280.8979209859.

It can be divided in two parts, 22163 and 869, that added together give a palindrome (23032).

The spelling of 22163869 in words is "twenty-two million, one hundred sixty-three thousand, eight hundred sixty-nine".