22252723 has 2 divisors, whose sum is σ = 22252724. Its totient is φ = 22252722.

The previous prime is 22252721. The next prime is 22252729. The reversal of 22252723 is 32725222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22252723 - 2¹ = 22252721 is a prime.

Together with 22252721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22252721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11126361 + 11126362.

It is an arithmetic number, because the mean of its divisors is an integer number (11126362).

Almost surely, 2^22252723 is an apocalyptic number.

22252723 is a deficient number, since it is larger than the sum of its proper divisors (1).

22252723 is an equidigital number, since it uses as much as digits as its factorization.

22252723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 25.

The square root of 22252723 is about 4717.2791946206. The cubic root of 22252723 is about 281.2727897253.

Adding to 22252723 its reverse (32725222), we get a palindrome (54977945).

The spelling of 22252723 in words is "twenty-two million, two hundred fifty-two thousand, seven hundred twenty-three".