2251814 has 4 divisors (see below), whose sum is σ = 3377724. Its totient is φ = 1125906.

The previous prime is 2251807. The next prime is 2251819. The reversal of 2251814 is 4181522.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2251814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562952 + ... + 562955.

It is an arithmetic number, because the mean of its divisors is an integer number (844431).

2^2251814 is an apocalyptic number.

2251814 is a deficient number, since it is larger than the sum of its proper divisors (1125910).

2251814 is a wasteful number, since it uses less digits than its factorization.

2251814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125909.

The product of its digits is 640, while the sum is 23.

The square root of 2251814 is about 1500.6045448418. The cubic root of 2251814 is about 131.0722752502.

The spelling of 2251814 in words is "two million, two hundred fifty-one thousand, eight hundred fourteen".