2211022312 has 16 divisors (see below), whose sum is σ = 4389529860. Its totient is φ = 1040481024.

The previous prime is 2211022301. The next prime is 2211022399. The reversal of 2211022312 is 2132201122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1729395396 + 481626916 = 41586^2 + 21946^2 .

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, 8128623 + ... + 8128894.

Almost surely, 2^2211022312 is an apocalyptic number.

It is an amenable number.

2211022312 is a deficient number, since it is larger than the sum of its proper divisors (2178507548).

2211022312 is a wasteful number, since it uses less digits than its factorization.

2211022312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16257540 (or 16257536 counting only the distinct ones).

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

The square root of 2211022312 is about 47021.5090357594. The cubic root of 2211022312 is about 1302.7598786883.

Adding to 2211022312 its reverse (2132201122), we get a palindrome (4343223434).

The spelling of 2211022312 in words is "two billion, two hundred eleven million, twenty-two thousand, three hundred twelve".