222456799 has 4 divisors (see below), whose sum is σ = 222490840. Its totient is φ = 222422760.

The previous prime is 222456797. The next prime is 222456833. The reversal of 222456799 is 997654222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222456799 - 2¹ = 222456797 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222456797) 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 in 3 ways as a sum of consecutive naturals, for example, 3789 + ... + 21430.

It is an arithmetic number, because the mean of its divisors is an integer number (55622710).

Almost surely, 2^222456799 is an apocalyptic number.

222456799 is a deficient number, since it is larger than the sum of its proper divisors (34041).

222456799 is an equidigital number, since it uses as much as digits as its factorization.

222456799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34040.

The product of its digits is 544320, while the sum is 46.

The square root of 222456799 is about 14914.9857190679. The cubic root of 222456799 is about 605.9199164761.

The spelling of 222456799 in words is "two hundred twenty-two million, four hundred fifty-six thousand, seven hundred ninety-nine".