222369849 has 12 divisors (see below), whose sum is σ = 345908836. Its totient is φ = 136842912.

The previous prime is 222369811. The next prime is 222369853. The reversal of 222369849 is 948963222.

It can be written as a sum of positive squares in 2 ways, for example, as 67815225 + 154554624 = 8235^2 + 12432^2 .

It is not a de Polignac number, because 222369849 - 2¹² = 222365753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222369859) 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 in 11 ways as a sum of consecutive naturals, for example, 950182 + ... + 950415.

Almost surely, 2^222369849 is an apocalyptic number.

It is an amenable number.

222369849 is a deficient number, since it is larger than the sum of its proper divisors (123538987).

222369849 is a wasteful number, since it uses less digits than its factorization.

222369849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900616 (or 1900613 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 222369849 is about 14912.0705805733. The cubic root of 222369849 is about 605.8409624160.

The spelling of 222369849 in words is "two hundred twenty-two million, three hundred sixty-nine thousand, eight hundred forty-nine".