2211122572 has 12 divisors (see below), whose sum is σ = 4037702256. Its totient is φ = 1057493360.

The previous prime is 2211122521. The next prime is 2211122581. The reversal of 2211122572 is 2752211122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12016879 + ... + 12017062.

It is an arithmetic number, because the mean of its divisors is an integer number (336475188).

Almost surely, 2^2211122572 is an apocalyptic number.

It is an amenable number.

2211122572 is a deficient number, since it is larger than the sum of its proper divisors (1826579684).

2211122572 is a wasteful number, since it uses less digits than its factorization.

2211122572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24033968 (or 24033966 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 2211122572 is about 47022.5751315259. The cubic root of 2211122572 is about 1302.7795698406.

Adding to 2211122572 its reverse (2752211122), we get a palindrome (4963333694).

The spelling of 2211122572 in words is "two billion, two hundred eleven million, one hundred twenty-two thousand, five hundred seventy-two".