2222231312 has 20 divisors (see below), whose sum is σ = 4920655296. Its totient is φ = 952384800.

The previous prime is 2222231303. The next prime is 2222231351. The reversal of 2222231312 is 2131322222.

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, 9920564 + ... + 9920787.

Almost surely, 2^2222231312 is an apocalyptic number.

It is an amenable number.

2222231312 is an abundant number, since it is smaller than the sum of its proper divisors (2698423984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222231312 is a wasteful number, since it uses less digits than its factorization.

2222231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19841366 (or 19841360 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 2222231312 is about 47140.5484906572. The cubic root of 2222231312 is about 1304.9576596510.

Adding to 2222231312 its reverse (2131322222), we get a palindrome (4353553534).

The spelling of 2222231312 in words is "two billion, two hundred twenty-two million, two hundred thirty-one thousand, three hundred twelve".