2251711234 has 8 divisors (see below), whose sum is σ = 3576247308. Its totient is φ = 1059628800.

The previous prime is 2251711229. The next prime is 2251711237. The reversal of 2251711234 is 4321171522.

It can be written as a sum of positive squares in 2 ways, for example, as 2211350625 + 40360609 = 47025^2 + 6353^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2251711237) 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, 33113367 + ... + 33113434.

Almost surely, 2^2251711234 is an apocalyptic number.

2251711234 is a deficient number, since it is larger than the sum of its proper divisors (1324536074).

2251711234 is a wasteful number, since it uses less digits than its factorization.

2251711234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66226820.

The product of its digits is 3360, while the sum is 28.

The square root of 2251711234 is about 47452.1994643030. The cubic root of 2251711234 is about 1310.7028130537.

Adding to 2251711234 its reverse (4321171522), we get a palindrome (6572882756).

The spelling of 2251711234 in words is "two billion, two hundred fifty-one million, seven hundred eleven thousand, two hundred thirty-four".