2247631312 has 80 divisors (see below), whose sum is σ = 4607919360. Its totient is φ = 1060545024.

The previous prime is 2247631307. The next prime is 2247631313. The reversal of 2247631312 is 2131367422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247631313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6124153 + ... + 6124519.

It is an arithmetic number, because the mean of its divisors is an integer number (57598992).

Almost surely, 2^2247631312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2247631312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2303959680).

2247631312 is an abundant number, since it is smaller than the sum of its proper divisors (2360288048).

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

2247631312 is a wasteful number, since it uses less digits than its factorization.

2247631312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 662 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 2247631312 is about 47409.1901639334. The cubic root of 2247631312 is about 1309.9107046334.

Adding to 2247631312 its reverse (2131367422), we get a palindrome (4378998734).

The spelling of 2247631312 in words is "two billion, two hundred forty-seven million, six hundred thirty-one thousand, three hundred twelve".