222802091 has 2 divisors, whose sum is σ = 222802092. Its totient is φ = 222802090.

The previous prime is 222802087. The next prime is 222802093. The reversal of 222802091 is 190208222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222802091 - 2² = 222802087 is a prime.

Together with 222802093, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222802091.

It is not a weakly prime, because it can be changed into another prime (222802093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111401045 + 111401046.

It is an arithmetic number, because the mean of its divisors is an integer number (111401046).

Almost surely, 2^222802091 is an apocalyptic number.

222802091 is a deficient number, since it is larger than the sum of its proper divisors (1).

222802091 is an equidigital number, since it uses as much as digits as its factorization.

222802091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 222802091 is about 14926.5565687469. The cubic root of 222802091 is about 606.2332524371.

The spelling of 222802091 in words is "two hundred twenty-two million, eight hundred two thousand, ninety-one".