2551224412 has 24 divisors (see below), whose sum is σ = 4906082160. Its totient is φ = 1151180160.

The previous prime is 2551224397. The next prime is 2551224419. The reversal of 2551224412 is 2144221552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551224419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205587 + ... + 217642.

It is an arithmetic number, because the mean of its divisors is an integer number (204420090).

Almost surely, 2^2551224412 is an apocalyptic number.

2551224412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2551224412 is a deficient number, since it is larger than the sum of its proper divisors (2354857748).

2551224412 is a wasteful number, since it uses less digits than its factorization.

2551224412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423381 (or 423379 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 2551224412 is about 50509.6467221857. The cubic root of 2551224412 is about 1366.4158381899.

Adding to 2551224412 its reverse (2144221552), we get a palindrome (4695445964).

The spelling of 2551224412 in words is "two billion, five hundred fifty-one million, two hundred twenty-four thousand, four hundred twelve".