22722823 has 2 divisors, whose sum is σ = 22722824. Its totient is φ = 22722822.

The previous prime is 22722811. The next prime is 22722839. The reversal of 22722823 is 32822722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22722823 - 2⁹ = 22722311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22722791 and 22722800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22722883) 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, 11361411 + 11361412.

It is an arithmetic number, because the mean of its divisors is an integer number (11361412).

Almost surely, 2^22722823 is an apocalyptic number.

22722823 is a deficient number, since it is larger than the sum of its proper divisors (1).

22722823 is an equidigital number, since it uses as much as digits as its factorization.

22722823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 28.

The square root of 22722823 is about 4766.8462320490. The cubic root of 22722823 is about 283.2396800814.

The spelling of 22722823 in words is "twenty-two million, seven hundred twenty-two thousand, eight hundred twenty-three".