222895913 has 2 divisors, whose sum is σ = 222895914. Its totient is φ = 222895912.

The previous prime is 222895903. The next prime is 222895931. The reversal of 222895913 is 319598222.

222895913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (222895931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159087769 + 63808144 = 12613^2 + 7988^2 .

It is a cyclic number.

It is not a de Polignac number, because 222895913 - 2⁸ = 222895657 is a prime.

It is not a weakly prime, because it can be changed into another prime (222895903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111447956 + 111447957.

It is an arithmetic number, because the mean of its divisors is an integer number (111447957).

Almost surely, 2^222895913 is an apocalyptic number.

It is an amenable number.

222895913 is a deficient number, since it is larger than the sum of its proper divisors (1).

222895913 is an equidigital number, since it uses as much as digits as its factorization.

222895913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 222895913 is about 14929.6990257674. The cubic root of 222895913 is about 606.3183354720.

The spelling of 222895913 in words is "two hundred twenty-two million, eight hundred ninety-five thousand, nine hundred thirteen".