222311242 has 4 divisors (see below), whose sum is σ = 333466866. Its totient is φ = 111155620.

The previous prime is 222311239. The next prime is 222311251. The reversal of 222311242 is 242113222.

222311242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 222039801 + 271441 = 14901^2 + 521^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 55577809 + ... + 55577812.

Almost surely, 2^222311242 is an apocalyptic number.

222311242 is a deficient number, since it is larger than the sum of its proper divisors (111155624).

222311242 is a wasteful number, since it uses less digits than its factorization.

222311242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111155623.

The product of its digits is 384, while the sum is 19.

The square root of 222311242 is about 14910.1053651542. The cubic root of 222311242 is about 605.7877333156.

Adding to 222311242 its reverse (242113222), we get a palindrome (464424464).

The spelling of 222311242 in words is "two hundred twenty-two million, three hundred eleven thousand, two hundred forty-two".