2274787 has 4 divisors (see below), whose sum is σ = 2408616. Its totient is φ = 2140960.

The previous prime is 2274763. The next prime is 2274793. The reversal of 2274787 is 7874722.

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

It is a cyclic number.

It is not a de Polignac number, because 2274787 - 2¹⁹ = 1750499 is a prime.

It is a Duffinian number.

2274787 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2274287) 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, 66889 + ... + 66922.

It is an arithmetic number, because the mean of its divisors is an integer number (602154).

2^2274787 is an apocalyptic number.

2274787 is a deficient number, since it is larger than the sum of its proper divisors (133829).

2274787 is a wasteful number, since it uses less digits than its factorization.

2274787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133828.

The product of its digits is 43904, while the sum is 37.

The square root of 2274787 is about 1508.2397024346. The cubic root of 2274787 is about 131.5165009871.

The spelling of 2274787 in words is "two million, two hundred seventy-four thousand, seven hundred eighty-seven".