22332661 has 8 divisors (see below), whose sum is σ = 24562944. Its totient is φ = 20175600.

The previous prime is 22332647. The next prime is 22332677. The reversal of 22332661 is 16623322.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22332661 - 2⁷ = 22332533 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 (22332631) by changing a digit.

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, 17665 + ... + 18886.

It is an arithmetic number, because the mean of its divisors is an integer number (3070368).

Almost surely, 2^22332661 is an apocalyptic number.

It is an amenable number.

22332661 is a deficient number, since it is larger than the sum of its proper divisors (2230283).

22332661 is a wasteful number, since it uses less digits than its factorization.

22332661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36611.

The product of its digits is 2592, while the sum is 25.

The square root of 22332661 is about 4725.7444916119. The cubic root of 22332661 is about 281.6091907202.

Adding to 22332661 its reverse (16623322), we get a palindrome (38955983).

The spelling of 22332661 in words is "twenty-two million, three hundred thirty-two thousand, six hundred sixty-one".