222249983 has 2 divisors, whose sum is σ = 222249984. Its totient is φ = 222249982.

The previous prime is 222249977. The next prime is 222250069. The reversal of 222249983 is 389942222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222249983 - 2⁴ = 222249967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222249983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222249913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111124991 + 111124992.

It is an arithmetic number, because the mean of its divisors is an integer number (111124992).

Almost surely, 2^222249983 is an apocalyptic number.

222249983 is a deficient number, since it is larger than the sum of its proper divisors (1).

222249983 is an equidigital number, since it uses as much as digits as its factorization.

222249983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 222249983 is about 14908.0509457139. The cubic root of 222249983 is about 605.7320855677.

The spelling of 222249983 in words is "two hundred twenty-two million, two hundred forty-nine thousand, nine hundred eighty-three".