22332665 has 8 divisors (see below), whose sum is σ = 26853768. Its totient is φ = 17829760.

The previous prime is 22332647. The next prime is 22332677. The reversal of 22332665 is 56623322.

It can be written as a sum of positive squares in 4 ways, for example, as 327184 + 22005481 = 572^2 + 4691^2 .

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

It is not a de Polignac number, because 22332665 - 2¹² = 22328569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1682 + ... + 6891.

It is an arithmetic number, because the mean of its divisors is an integer number (3356721).

Almost surely, 2^22332665 is an apocalyptic number.

It is an amenable number.

22332665 is a deficient number, since it is larger than the sum of its proper divisors (4521103).

22332665 is an equidigital number, since it uses as much as digits as its factorization.

22332665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9099.

The product of its digits is 12960, while the sum is 29.

The square root of 22332665 is about 4725.7449148256. The cubic root of 22332665 is about 281.6092075332.

Adding to 22332665 its reverse (56623322), we get a palindrome (78955987).

The spelling of 22332665 in words is "twenty-two million, three hundred thirty-two thousand, six hundred sixty-five".