222409983 has 16 divisors (see below), whose sum is σ = 299104256. Its totient is φ = 147000960.

The previous prime is 222409981. The next prime is 222410057. The reversal of 222409983 is 389904222.

It is a happy number.

It is not a de Polignac number, because 222409983 - 2¹ = 222409981 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222409981) 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 15 ways as a sum of consecutive naturals, for example, 204066 + ... + 205152.

It is an arithmetic number, because the mean of its divisors is an integer number (18694016).

Almost surely, 2^222409983 is an apocalyptic number.

222409983 is a deficient number, since it is larger than the sum of its proper divisors (76694273).

222409983 is a wasteful number, since it uses less digits than its factorization.

222409983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 222409983 is about 14913.4162082334. The cubic root of 222409983 is about 605.8774082421.

It can be divided in two parts, 22240 and 9983, that added together give a palindrome (32223).

The spelling of 222409983 in words is "two hundred twenty-two million, four hundred nine thousand, nine hundred eighty-three".