2274778 has 8 divisors (see below), whose sum is σ = 3722400. Its totient is φ = 1033980.

The previous prime is 2274763. The next prime is 2274793. The reversal of 2274778 is 8774722.

It is an interprime number because it is at equal distance from previous prime (2274763) and next prime (2274793).

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

It is a super-2 number, since 2×2274778² = 10349229898568, which contains 22 as substring.

It is a congruent number.

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, 51678 + ... + 51721.

It is an arithmetic number, because the mean of its divisors is an integer number (465300).

2^2274778 is an apocalyptic number.

2274778 is a deficient number, since it is larger than the sum of its proper divisors (1447622).

2274778 is a wasteful number, since it uses less digits than its factorization.

2274778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103412.

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

The square root of 2274778 is about 1508.2367188210. The cubic root of 2274778 is about 131.5163275422.

It can be divided in two parts, 227 and 4778, that added together give a palindrome (5005).

The spelling of 2274778 in words is "two million, two hundred seventy-four thousand, seven hundred seventy-eight".