22402223 has 2 divisors, whose sum is σ = 22402224. Its totient is φ = 22402222.

The previous prime is 22402217. The next prime is 22402271. The reversal of 22402223 is 32220422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22402223 - 2¹⁶ = 22336687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22402283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11201111 + 11201112.

It is an arithmetic number, because the mean of its divisors is an integer number (11201112).

Almost surely, 2^22402223 is an apocalyptic number.

22402223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22402223 is an equidigital number, since it uses as much as digits as its factorization.

22402223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22402223 is about 4733.0986678919. The cubic root of 22402223 is about 281.9012740605.

Adding to 22402223 its reverse (32220422), we get a palindrome (54622645).

The spelling of 22402223 in words is "twenty-two million, four hundred two thousand, two hundred twenty-three".