22366669 has 4 divisors (see below), whose sum is σ = 24087196. Its totient is φ = 20646144.

The previous prime is 22366661. The next prime is 22366681. The reversal of 22366669 is 96666322.

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 864900 + 21501769 = 930^2 + 4637^2 .

It is a cyclic number.

It is not a de Polignac number, because 22366669 - 2³ = 22366661 is a prime.

It is a super-2 number, since 2×22366669² = 1000535764311122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22366661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860244 + ... + 860269.

It is an arithmetic number, because the mean of its divisors is an integer number (6021799).

Almost surely, 2^22366669 is an apocalyptic number.

It is an amenable number.

22366669 is a deficient number, since it is larger than the sum of its proper divisors (1720527).

22366669 is a wasteful number, since it uses less digits than its factorization.

22366669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720526.

The product of its digits is 139968, while the sum is 40.

The square root of 22366669 is about 4729.3412860567. The cubic root of 22366669 is about 281.7520623082.

The spelling of 22366669 in words is "twenty-two million, three hundred sixty-six thousand, six hundred sixty-nine".