22383661 has 2 divisors, whose sum is σ = 22383662. Its totient is φ = 22383660.

The previous prime is 22383637. The next prime is 22383701. The reversal of 22383661 is 16638322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19527561 + 2856100 = 4419^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 22383661 - 2⁵ = 22383629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22383061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11191830 + 11191831.

It is an arithmetic number, because the mean of its divisors is an integer number (11191831).

Almost surely, 2^22383661 is an apocalyptic number.

It is an amenable number.

22383661 is a deficient number, since it is larger than the sum of its proper divisors (1).

22383661 is an equidigital number, since it uses as much as digits as its factorization.

22383661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 22383661 is about 4731.1373896770. The cubic root of 22383661 is about 281.8233934362.

The spelling of 22383661 in words is "twenty-two million, three hundred eighty-three thousand, six hundred sixty-one".