222284005 has 4 divisors (see below), whose sum is σ = 266740812. Its totient is φ = 177827200.

The previous prime is 222283987. The next prime is 222284017. The reversal of 222284005 is 500482222.

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 150356644 + 71927361 = 12262^2 + 8481^2 .

It is not a de Polignac number, because 222284005 - 2¹¹ = 222281957 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 22228396 + ... + 22228405.

It is an arithmetic number, because the mean of its divisors is an integer number (66685203).

Almost surely, 2^222284005 is an apocalyptic number.

It is an amenable number.

222284005 is a deficient number, since it is larger than the sum of its proper divisors (44456807).

222284005 is an equidigital number, since it uses as much as digits as its factorization.

222284005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44456806.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 222284005 is about 14909.1919633493. The cubic root of 222284005 is about 605.7629924550.

The spelling of 222284005 in words is "two hundred twenty-two million, two hundred eighty-four thousand, five".