2251234666 has 8 divisors (see below), whose sum is σ = 3377818404. Its totient is φ = 1125295200.

The previous prime is 2251234637. The next prime is 2251234681. The reversal of 2251234666 is 6664321522.

2251234666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2234547441 + 16687225 = 47271^2 + 4085^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152235 + ... + 166366.

Almost surely, 2^2251234666 is an apocalyptic number.

2251234666 is a deficient number, since it is larger than the sum of its proper divisors (1126583738).

2251234666 is a wasteful number, since it uses less digits than its factorization.

2251234666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322136.

The product of its digits is 103680, while the sum is 37.

The square root of 2251234666 is about 47447.1776399819. The cubic root of 2251234666 is about 1310.6103377425.

The spelling of 2251234666 in words is "two billion, two hundred fifty-one million, two hundred thirty-four thousand, six hundred sixty-six".