222311122 has 12 divisors (see below), whose sum is σ = 366538158. Its totient is φ = 101050400.

The previous prime is 222311119. The next prime is 222311171. The reversal of 222311122 is 221113222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 195468361 + 26842761 = 13981^2 + 5181^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222311096 and 222311105.

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 in 5 ways as a sum of consecutive naturals, for example, 459079 + ... + 459562.

Almost surely, 2^222311122 is an apocalyptic number.

222311122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222311122 is a deficient number, since it is larger than the sum of its proper divisors (144227036).

222311122 is a wasteful number, since it uses less digits than its factorization.

222311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918665 (or 918654 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 222311122 is about 14910.1013410372. The cubic root of 222311122 is about 605.7876243175.

Adding to 222311122 its reverse (221113222), we get a palindrome (443424344).

It can be divided in two parts, 22231112 and 2, that multiplied together give a square (44462224 = 6668²).

The spelling of 222311122 in words is "two hundred twenty-two million, three hundred eleven thousand, one hundred twenty-two".