222799 has 2 divisors, whose sum is σ = 222800. Its totient is φ = 222798.

The previous prime is 222793. The next prime is 222823. The reversal of 222799 is 997222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222799 - 2³ = 222791 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 222799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111399 + 111400.

It is an arithmetic number, because the mean of its divisors is an integer number (111400).

2²²²⁷⁹⁹ is an apocalyptic number.

222799 is a deficient number, since it is larger than the sum of its proper divisors (1).

222799 is an equidigital number, since it uses as much as digits as its factorization.

222799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 222799 is about 472.0158895631. The cubic root of 222799 is about 60.6230448939.

It can be divided in two parts, 2 and 22799, that added together give a square (22801 = 151²).

The spelling of 222799 in words is "two hundred twenty-two thousand, seven hundred ninety-nine".