2251834 has 16 divisors (see below), whose sum is σ = 3662568. Its totient is φ = 1032192.

The previous prime is 2251829. The next prime is 2251841. The reversal of 2251834 is 4381522.

It can be written as a sum of positive squares in 4 ways, for example, as 1946025 + 305809 = 1395^2 + 553^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2251799 and 2251808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6514 + ... + 6850.

2^2251834 is an apocalyptic number.

2251834 is a deficient number, since it is larger than the sum of its proper divisors (1410734).

2251834 is a wasteful number, since it uses less digits than its factorization.

2251834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609.

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

The square root of 2251834 is about 1500.6112088079. The cubic root of 2251834 is about 131.0726632984.

The spelling of 2251834 in words is "two million, two hundred fifty-one thousand, eight hundred thirty-four".