2274399 has 20 divisors (see below), whose sum is σ = 3481896. Its totient is φ = 1478736.

The previous prime is 2274367. The next prime is 2274407. The reversal of 2274399 is 9934722.

It is not a de Polignac number, because 2274399 - 2⁵ = 2274367 is a prime.

It is a super-2 number, since 2×2274399² = 10345781622402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2274329) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3157 + ... + 3809.

2^2274399 is an apocalyptic number.

2274399 is a deficient number, since it is larger than the sum of its proper divisors (1207497).

2274399 is an equidigital number, since it uses as much as digits as its factorization.

2274399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 699 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2274399 is about 1508.1110701802. Note that the first 3 decimals coincide. The cubic root of 2274399 is about 131.5090231728.

The spelling of 2274399 in words is "two million, two hundred seventy-four thousand, three hundred ninety-nine".