222499 has 2 divisors, whose sum is σ = 222500. Its totient is φ = 222498.

The previous prime is 222493. The next prime is 222511. The reversal of 222499 is 994222.

It is a happy number.

222499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222499 - 2⁹ = 221987 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (222493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111249 + 111250.

It is an arithmetic number, because the mean of its divisors is an integer number (111250).

2²²²⁴⁹⁹ is an apocalyptic number.

222499 is a deficient number, since it is larger than the sum of its proper divisors (1).

222499 is an equidigital number, since it uses as much as digits as its factorization.

222499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 222499 is about 471.6979966038. The cubic root of 222499 is about 60.5958229248.

The spelling of 222499 in words is "two hundred twenty-two thousand, four hundred ninety-nine".