2220201122 has 16 divisors (see below), whose sum is σ = 3574509912. Its totient is φ = 1030487040.

The previous prime is 2220201107. The next prime is 2220201131. The reversal of 2220201122 is 2211020222.

It can be written as a sum of positive squares in 4 ways, for example, as 1727316721 + 492884401 = 41561^2 + 22201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2220201097 and 2220201106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444779 + ... + 449742.

Almost surely, 2^2220201122 is an apocalyptic number.

2220201122 is a deficient number, since it is larger than the sum of its proper divisors (1354308790).

2220201122 is a wasteful number, since it uses less digits than its factorization.

2220201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894613.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2220201122 is about 47119.0101975837. The cubic root of 2220201122 is about 1304.5601433988.

Adding to 2220201122 its reverse (2211020222), we get a palindrome (4431221344).

Subtracting from 2220201122 its reverse (2211020222), we obtain a square (9180900 = 3030²).

The spelling of 2220201122 in words is "two billion, two hundred twenty million, two hundred one thousand, one hundred twenty-two".