22040669 has 4 divisors (see below), whose sum is σ = 25189344. Its totient is φ = 18891996.

The previous prime is 22040663. The next prime is 22040699. The reversal of 22040669 is 96604022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96604022 = 2 ⋅48302011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22040669 is a prime.

It is a super-2 number, since 2×22040669² = 971582179935122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040663) 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, 1574327 + ... + 1574340.

It is an arithmetic number, because the mean of its divisors is an integer number (6297336).

Almost surely, 2^22040669 is an apocalyptic number.

It is an amenable number.

22040669 is a deficient number, since it is larger than the sum of its proper divisors (3148675).

22040669 is an equidigital number, since it uses as much as digits as its factorization.

22040669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148674.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 22040669 is about 4694.7490880770. The cubic root of 22040669 is about 280.3764875961.

The spelling of 22040669 in words is "twenty-two million, forty thousand, six hundred sixty-nine".