22407223 has 2 divisors, whose sum is σ = 22407224. Its totient is φ = 22407222.

The previous prime is 22407211. The next prime is 22407233. The reversal of 22407223 is 32270422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22407223 - 2⁹ = 22406711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22407194 and 22407203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22407233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11203611 + 11203612.

It is an arithmetic number, because the mean of its divisors is an integer number (11203612).

Almost surely, 2^22407223 is an apocalyptic number.

22407223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22407223 is an equidigital number, since it uses as much as digits as its factorization.

22407223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 22407223 is about 4733.6268336235. The cubic root of 22407223 is about 281.9222452162.

Adding to 22407223 its reverse (32270422), we get a palindrome (54677645).

The spelling of 22407223 in words is "twenty-two million, four hundred seven thousand, two hundred twenty-three".