2251628314 has 8 divisors (see below), whose sum is σ = 3637245780. Its totient is φ = 1039213056.

The previous prime is 2251628299. The next prime is 2251628317. The reversal of 2251628314 is 4138261522.

It can be written as a sum of positive squares in 2 ways, for example, as 2058890625 + 192737689 = 45375^2 + 13883^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2251628314.

It is not an unprimeable number, because it can be changed into a prime (2251628317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43300519 + ... + 43300570.

Almost surely, 2^2251628314 is an apocalyptic number.

2251628314 is a deficient number, since it is larger than the sum of its proper divisors (1385617466).

2251628314 is a wasteful number, since it uses less digits than its factorization.

2251628314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86601104.

The product of its digits is 23040, while the sum is 34.

The square root of 2251628314 is about 47451.3257349044. The cubic root of 2251628314 is about 1310.6867238368.

Adding to 2251628314 its reverse (4138261522), we get a palindrome (6389889836).

The spelling of 2251628314 in words is "two billion, two hundred fifty-one million, six hundred twenty-eight thousand, three hundred fourteen".