22345669 has 4 divisors (see below), whose sum is σ = 22949644. Its totient is φ = 21741696.

The previous prime is 22345657. The next prime is 22345693. The reversal of 22345669 is 96654322.

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 9828225 + 12517444 = 3135^2 + 3538^2 .

It is a cyclic number.

It is not a de Polignac number, because 22345669 - 2²¹ = 20248517 is a prime.

It is a super-2 number, since 2×22345669² = 998657846115122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 603937 = 22345669 / (2 + 2 + 3 + 4 + 5 + 6 + 6 + 9).

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 (22345649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301932 + ... + 302005.

It is an arithmetic number, because the mean of its divisors is an integer number (5737411).

Almost surely, 2^22345669 is an apocalyptic number.

It is an amenable number.

22345669 is a deficient number, since it is larger than the sum of its proper divisors (603975).

22345669 is an equidigital number, since it uses as much as digits as its factorization.

22345669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603974.

The product of its digits is 77760, while the sum is 37.

The square root of 22345669 is about 4727.1205823419. The cubic root of 22345669 is about 281.6638559683.

The spelling of 22345669 in words is "twenty-two million, three hundred forty-five thousand, six hundred sixty-nine".