2220311122 has 4 divisors (see below), whose sum is σ = 3330466686. Its totient is φ = 1110155560.

The previous prime is 2220311117. The next prime is 2220311153. The reversal of 2220311122 is 2211130222.

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 only one way, i.e., 1429520481 + 790790641 = 37809^2 + 28121^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2220311096 and 2220311105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555077779 + ... + 555077782.

Almost surely, 2^2220311122 is an apocalyptic number.

2220311122 is a deficient number, since it is larger than the sum of its proper divisors (1110155564).

2220311122 is a wasteful number, since it uses less digits than its factorization.

2220311122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110155563.

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

The square root of 2220311122 is about 47120.1774402432. The cubic root of 2220311122 is about 1304.5816878803.

Adding to 2220311122 its reverse (2211130222), we get a palindrome (4431441344).

Subtracting from 2220311122 its reverse (2211130222), we obtain a square (9180900 = 3030²).

The spelling of 2220311122 in words is "two billion, two hundred twenty million, three hundred eleven thousand, one hundred twenty-two".