22369661 has 2 divisors, whose sum is σ = 22369662. Its totient is φ = 22369660.

The previous prime is 22369601. The next prime is 22369663. The reversal of 22369661 is 16696322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15452761 + 6916900 = 3931^2 + 2630^2 .

It is a cyclic number.

It is not a de Polignac number, because 22369661 - 2⁶ = 22369597 is a prime.

Together with 22369663, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22369663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11184830 + 11184831.

It is an arithmetic number, because the mean of its divisors is an integer number (11184831).

Almost surely, 2^22369661 is an apocalyptic number.

It is an amenable number.

22369661 is a deficient number, since it is larger than the sum of its proper divisors (1).

22369661 is an equidigital number, since it uses as much as digits as its factorization.

22369661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 22369661 is about 4729.6575986006. The cubic root of 22369661 is about 281.7646251174.

The spelling of 22369661 in words is "twenty-two million, three hundred sixty-nine thousand, six hundred sixty-one".