22232885 has 8 divisors (see below), whose sum is σ = 26955096. Its totient is φ = 17602560.

The previous prime is 22232843. The next prime is 22232887. The reversal of 22232885 is 58823222.

It can be written as a sum of positive squares in 4 ways, for example, as 3066001 + 19166884 = 1751^2 + 4378^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22232885 - 2¹⁰ = 22231861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22232887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22436 + ... + 23405.

It is an arithmetic number, because the mean of its divisors is an integer number (3369387).

Almost surely, 2^22232885 is an apocalyptic number.

It is an amenable number.

22232885 is a deficient number, since it is larger than the sum of its proper divisors (4722211).

22232885 is an equidigital number, since it uses as much as digits as its factorization.

22232885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45943.

The product of its digits is 15360, while the sum is 32.

The square root of 22232885 is about 4715.1760306483. The cubic root of 22232885 is about 281.1891812525.

The spelling of 22232885 in words is "twenty-two million, two hundred thirty-two thousand, eight hundred eighty-five".