22263223 has 2 divisors, whose sum is σ = 22263224. Its totient is φ = 22263222.

The previous prime is 22263221. The next prime is 22263259. The reversal of 22263223 is 32236222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22263223 - 2¹ = 22263221 is a prime.

Together with 22263221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22263194 and 22263203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22263221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11131611 + 11131612.

It is an arithmetic number, because the mean of its divisors is an integer number (11131612).

Almost surely, 2^22263223 is an apocalyptic number.

22263223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22263223 is an equidigital number, since it uses as much as digits as its factorization.

22263223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 22.

The square root of 22263223 is about 4718.3919930417. The cubic root of 22263223 is about 281.3170225127.

Adding to 22263223 its reverse (32236222), we get a palindrome (54499445).

The spelling of 22263223 in words is "twenty-two million, two hundred sixty-three thousand, two hundred twenty-three".