222895901 has 2 divisors, whose sum is σ = 222895902. Its totient is φ = 222895900.

The previous prime is 222895867. The next prime is 222895903. The reversal of 222895901 is 109598222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211673401 + 11222500 = 14549^2 + 3350^2 .

It is a cyclic number.

It is not a de Polignac number, because 222895901 - 2⁶ = 222895837 is a prime.

Together with 222895903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

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, 111447950 + 111447951.

It is an arithmetic number, because the mean of its divisors is an integer number (111447951).

Almost surely, 2^222895901 is an apocalyptic number.

It is an amenable number.

222895901 is a deficient number, since it is larger than the sum of its proper divisors (1).

222895901 is an equidigital number, since it uses as much as digits as its factorization.

222895901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 222895901 is about 14929.6986238839. The cubic root of 222895901 is about 606.3183245913.

The spelling of 222895901 in words is "two hundred twenty-two million, eight hundred ninety-five thousand, nine hundred one".