22436869 has 16 divisors (see below), whose sum is σ = 27973120. Its totient is φ = 17521920.

The previous prime is 22436833. The next prime is 22436873. The reversal of 22436869 is 96863422.

It is not a de Polignac number, because 22436869 - 2²¹ = 20339717 is a prime.

It is a super-2 number, since 2×22436869² = 1006826181046322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22436819) 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, 5629 + ... + 8749.

It is an arithmetic number, because the mean of its divisors is an integer number (1748320).

Almost surely, 2^22436869 is an apocalyptic number.

It is an amenable number.

22436869 is a deficient number, since it is larger than the sum of its proper divisors (5536251).

22436869 is a wasteful number, since it uses less digits than its factorization.

22436869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220.

The product of its digits is 124416, while the sum is 40.

The square root of 22436869 is about 4736.7572240933. The cubic root of 22436869 is about 282.0465233506.

The spelling of 22436869 in words is "twenty-two million, four hundred thirty-six thousand, eight hundred sixty-nine".