22258769 has 4 divisors (see below), whose sum is σ = 23970996. Its totient is φ = 20546544.

The previous prime is 22258727. The next prime is 22258771. The reversal of 22258769 is 96785222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1236544 + 21022225 = 1112^2 + 4585^2 .

It is a cyclic number.

It is not a de Polignac number, because 22258769 - 2²⁰ = 21210193 is a prime.

It is a super-2 number, since 2×22258769² = 990905594790722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22258169) 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 3 ways as a sum of consecutive naturals, for example, 856094 + ... + 856119.

It is an arithmetic number, because the mean of its divisors is an integer number (5992749).

Almost surely, 2^22258769 is an apocalyptic number.

It is an amenable number.

22258769 is a deficient number, since it is larger than the sum of its proper divisors (1712227).

22258769 is a wasteful number, since it uses less digits than its factorization.

22258769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712226.

The product of its digits is 120960, while the sum is 41.

The square root of 22258769 is about 4717.9199866043. The cubic root of 22258769 is about 281.2982610844.

The spelling of 22258769 in words is "twenty-two million, two hundred fifty-eight thousand, seven hundred sixty-nine".