22162433 has 2 divisors, whose sum is σ = 22162434. Its totient is φ = 22162432.

The previous prime is 22162429. The next prime is 22162447. The reversal of 22162433 is 33426122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15547249 + 6615184 = 3943^2 + 2572^2 .

It is a cyclic number.

It is not a de Polignac number, because 22162433 - 2² = 22162429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22162399 and 22162408.

It is not a weakly prime, because it can be changed into another prime (22162453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11081216 + 11081217.

It is an arithmetic number, because the mean of its divisors is an integer number (11081217).

Almost surely, 2^22162433 is an apocalyptic number.

It is an amenable number.

22162433 is a deficient number, since it is larger than the sum of its proper divisors (1).

22162433 is an equidigital number, since it uses as much as digits as its factorization.

22162433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 22162433 is about 4707.6993319455. The cubic root of 22162433 is about 280.8918543837.

Adding to 22162433 its reverse (33426122), we get a palindrome (55588555).

The spelling of 22162433 in words is "twenty-two million, one hundred sixty-two thousand, four hundred thirty-three".