222500023 has 2 divisors, whose sum is σ = 222500024. Its totient is φ = 222500022.

The previous prime is 222499987. The next prime is 222500027. The reversal of 222500023 is 320005222.

222500023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222500023 - 2²⁵ = 188945591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222500027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111250011 + 111250012.

It is an arithmetic number, because the mean of its divisors is an integer number (111250012).

Almost surely, 2^222500023 is an apocalyptic number.

222500023 is a deficient number, since it is larger than the sum of its proper divisors (1).

222500023 is an equidigital number, since it uses as much as digits as its factorization.

222500023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 222500023 is about 14916.4346611380. The cubic root of 222500023 is about 605.9591579325.

Adding to 222500023 its reverse (320005222), we get a palindrome (542505245).

The spelling of 222500023 in words is "two hundred twenty-two million, five hundred thousand, twenty-three".