22362643 has 2 divisors, whose sum is σ = 22362644. Its totient is φ = 22362642.

The previous prime is 22362629. The next prime is 22362673. The reversal of 22362643 is 34626322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22362643 - 2¹⁷ = 22231571 is a prime.

It is not a weakly prime, because it can be changed into another prime (22362673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11181321 + 11181322.

It is an arithmetic number, because the mean of its divisors is an integer number (11181322).

Almost surely, 2^22362643 is an apocalyptic number.

22362643 is a deficient number, since it is larger than the sum of its proper divisors (1).

22362643 is an equidigital number, since it uses as much as digits as its factorization.

22362643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 28.

The square root of 22362643 is about 4728.9156262298. The cubic root of 22362643 is about 281.7351561718.

Adding to 22362643 its reverse (34626322), we get a palindrome (56988965).

It can be divided in two parts, 22362 and 643, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 22362643 in words is "twenty-two million, three hundred sixty-two thousand, six hundred forty-three".