22355669 has 4 divisors (see below), whose sum is σ = 25549344. Its totient is φ = 19161996.

The previous prime is 22355653. The next prime is 22355677. The reversal of 22355669 is 96655322.

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.

It is not a de Polignac number, because 22355669 - 2⁴ = 22355653 is a prime.

It is a super-2 number, since 2×22355669² = 999551872875122, 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 (22355639) 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, 1596827 + ... + 1596840.

It is an arithmetic number, because the mean of its divisors is an integer number (6387336).

Almost surely, 2^22355669 is an apocalyptic number.

It is an amenable number.

22355669 is a deficient number, since it is larger than the sum of its proper divisors (3193675).

22355669 is an equidigital number, since it uses as much as digits as its factorization.

22355669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193674.

The product of its digits is 97200, while the sum is 38.

The square root of 22355669 is about 4728.1781903816. The cubic root of 22355669 is about 281.7058658764.

The spelling of 22355669 in words is "twenty-two million, three hundred fifty-five thousand, six hundred sixty-nine".