222456523 has 2 divisors, whose sum is σ = 222456524. Its totient is φ = 222456522.

The previous prime is 222456511. The next prime is 222456539. The reversal of 222456523 is 325654222.

222456523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222456523 - 2¹⁷ = 222325451 is a prime.

It is not a weakly prime, because it can be changed into another prime (222450523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111228261 + 111228262.

It is an arithmetic number, because the mean of its divisors is an integer number (111228262).

Almost surely, 2^222456523 is an apocalyptic number.

222456523 is a deficient number, since it is larger than the sum of its proper divisors (1).

222456523 is an equidigital number, since it uses as much as digits as its factorization.

222456523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 31.

The square root of 222456523 is about 14914.9764666258. The cubic root of 222456523 is about 605.9196658896.

The spelling of 222456523 in words is "two hundred twenty-two million, four hundred fifty-six thousand, five hundred twenty-three".