22232569 has 4 divisors (see below), whose sum is σ = 22314880. Its totient is φ = 22150260.

The previous prime is 22232563. The next prime is 22232579. The reversal of 22232569 is 96523222.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22232569 is a prime.

It is a super-2 number, since 2×22232569² = 988574248679522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22232569.

It is not an unprimeable number, because it can be changed into a prime (22232563) 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, 40749 + ... + 41290.

It is an arithmetic number, because the mean of its divisors is an integer number (5578720).

Almost surely, 2^22232569 is an apocalyptic number.

It is an amenable number.

22232569 is a deficient number, since it is larger than the sum of its proper divisors (82311).

22232569 is an equidigital number, since it uses as much as digits as its factorization.

22232569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82310.

The product of its digits is 12960, while the sum is 31.

The square root of 22232569 is about 4715.1425217060. The cubic root of 22232569 is about 281.1878490487.

It can be divided in two parts, 22232 and 569, that added together give a square (22801 = 151²).

The spelling of 22232569 in words is "twenty-two million, two hundred thirty-two thousand, five hundred sixty-nine".