222011234 has 4 divisors (see below), whose sum is σ = 333016854. Its totient is φ = 111005616.

The previous prime is 222011201. The next prime is 222011261. The reversal of 222011234 is 432110222.

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., 196981225 + 25030009 = 14035^2 + 5003^2 .

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 as a sum of consecutive naturals, namely, 55502807 + ... + 55502810.

Almost surely, 2^222011234 is an apocalyptic number.

222011234 is a deficient number, since it is larger than the sum of its proper divisors (111005620).

222011234 is a wasteful number, since it uses less digits than its factorization.

222011234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111005619.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 222011234 is about 14900.0414093384. The cubic root of 222011234 is about 605.5151080554.

Adding to 222011234 its reverse (432110222), we get a palindrome (654121456).

The spelling of 222011234 in words is "two hundred twenty-two million, eleven thousand, two hundred thirty-four".