2251421314 has 16 divisors (see below), whose sum is σ = 3528080640. Its totient is φ = 1076269680.

The previous prime is 2251421311. The next prime is 2251421327. The reversal of 2251421314 is 4131241522.

It is not an unprimeable number, because it can be changed into a prime (2251421311) 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, 213609 + ... + 223900.

It is an arithmetic number, because the mean of its divisors is an integer number (220505040).

Almost surely, 2^2251421314 is an apocalyptic number.

2251421314 is a deficient number, since it is larger than the sum of its proper divisors (1276659326).

2251421314 is a wasteful number, since it uses less digits than its factorization.

2251421314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437625.

The product of its digits is 1920, while the sum is 25.

The square root of 2251421314 is about 47449.1445022985. The cubic root of 2251421314 is about 1310.6465572805.

Adding to 2251421314 its reverse (4131241522), we get a palindrome (6382662836).

The spelling of 2251421314 in words is "two billion, two hundred fifty-one million, four hundred twenty-one thousand, three hundred fourteen".