22275223 has 2 divisors, whose sum is σ = 22275224. Its totient is φ = 22275222.

The previous prime is 22275217. The next prime is 22275263. The reversal of 22275223 is 32257222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22275223 - 2⁵ = 22275191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22275203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11137611 + 11137612.

It is an arithmetic number, because the mean of its divisors is an integer number (11137612).

Almost surely, 2^22275223 is an apocalyptic number.

22275223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22275223 is an equidigital number, since it uses as much as digits as its factorization.

22275223 is an evil number, because the sum of its binary digits is even.

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

The square root of 22275223 is about 4719.6634413907. The cubic root of 22275223 is about 281.3675572433.

The spelling of 22275223 in words is "twenty-two million, two hundred seventy-five thousand, two hundred twenty-three".