222875689 has 4 divisors (see below), whose sum is σ = 223020756. Its totient is φ = 222730624.

The previous prime is 222875687. The next prime is 222875693. The reversal of 222875689 is 986578222.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 57881664 + 164994025 = 7608^2 + 12845^2 .

It is a cyclic number.

It is not a de Polignac number, because 222875689 - 2¹ = 222875687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222875683) 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 3 ways as a sum of consecutive naturals, for example, 70204 + ... + 73309.

It is an arithmetic number, because the mean of its divisors is an integer number (55755189).

Almost surely, 2^222875689 is an apocalyptic number.

It is an amenable number.

222875689 is a deficient number, since it is larger than the sum of its proper divisors (145067).

222875689 is a wasteful number, since it uses less digits than its factorization.

222875689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145066.

The product of its digits is 967680, while the sum is 49.

The square root of 222875689 is about 14929.0217027105. The cubic root of 222875689 is about 606.2999972370.

The spelling of 222875689 in words is "two hundred twenty-two million, eight hundred seventy-five thousand, six hundred eighty-nine".