22032661 has 8 divisors (see below), whose sum is σ = 25992704. Its totient is φ = 18275760.

The previous prime is 22032653. The next prime is 22032667. The reversal of 22032661 is 16623022.

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 22032661 - 2³ = 22032653 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 (22032667) 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, 50550 + ... + 50983.

It is an arithmetic number, because the mean of its divisors is an integer number (3249088).

Almost surely, 2^22032661 is an apocalyptic number.

It is an amenable number.

22032661 is a deficient number, since it is larger than the sum of its proper divisors (3960043).

22032661 is a wasteful number, since it uses less digits than its factorization.

22032661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101571.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 22032661 is about 4693.8961428647. The cubic root of 22032661 is about 280.3425272402.

Adding to 22032661 its reverse (16623022), we get a palindrome (38655683).

The spelling of 22032661 in words is "twenty-two million, thirty-two thousand, six hundred sixty-one".