2243311312 has 40 divisors (see below), whose sum is σ = 4746205152. Its totient is φ = 1018684800.

The previous prime is 2243311309. The next prime is 2243311319. The reversal of 2243311312 is 2131133422.

It is a super-2 number, since 2×2243311312² = 10064891285094322688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243311319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190887 + ... + 202297.

Almost surely, 2^2243311312 is an apocalyptic number.

2243311312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2243311312 is an abundant number, since it is smaller than the sum of its proper divisors (2502893840).

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

2243311312 is a wasteful number, since it uses less digits than its factorization.

2243311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12547 (or 12541 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 2243311312 is about 47363.6074639591. The cubic root of 2243311312 is about 1309.0709400410.

Adding to 2243311312 its reverse (2131133422), we get a palindrome (4374444734).

It can be divided in two parts, 22 and 43311312, that added together give a palindrome (43311334).

The spelling of 2243311312 in words is "two billion, two hundred forty-three million, three hundred eleven thousand, three hundred twelve".