222246245 has 16 divisors (see below), whose sum is σ = 287651952. Its totient is φ = 163868160.

The previous prime is 222246239. The next prime is 222246257. The reversal of 222246245 is 542642222.

It can be written as a sum of positive squares in 8 ways, for example, as 15864289 + 206381956 = 3983^2 + 14366^2 .

It is not a de Polignac number, because 222246245 - 2⁶ = 222246181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 47219 + ... + 51711.

It is an arithmetic number, because the mean of its divisors is an integer number (17978247).

Almost surely, 2^222246245 is an apocalyptic number.

It is an amenable number.

222246245 is a deficient number, since it is larger than the sum of its proper divisors (65405707).

222246245 is a wasteful number, since it uses less digits than its factorization.

222246245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272.

The product of its digits is 15360, while the sum is 29.

The square root of 222246245 is about 14907.9255766857. The cubic root of 222246245 is about 605.7286896330.

Adding to 222246245 its reverse (542642222), we get a palindrome (764888467).

The spelling of 222246245 in words is "two hundred twenty-two million, two hundred forty-six thousand, two hundred forty-five".