222899071 has 2 divisors, whose sum is σ = 222899072. Its totient is φ = 222899070.

The previous prime is 222899069. The next prime is 222899081. The reversal of 222899071 is 170998222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222899071 - 2¹ = 222899069 is a prime.

Together with 222899069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222899081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111449535 + 111449536.

It is an arithmetic number, because the mean of its divisors is an integer number (111449536).

Almost surely, 2^222899071 is an apocalyptic number.

222899071 is a deficient number, since it is larger than the sum of its proper divisors (1).

222899071 is an equidigital number, since it uses as much as digits as its factorization.

222899071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 222899071 is about 14929.8047877392. The cubic root of 222899071 is about 606.3211989076.

The spelling of 222899071 in words is "two hundred twenty-two million, eight hundred ninety-nine thousand, seventy-one".