2274381 has 6 divisors (see below), whose sum is σ = 3285230. Its totient is φ = 1516248.

The previous prime is 2274367. The next prime is 2274407. The reversal of 2274381 is 1834722.

2274381 is a `hidden beast` number, since 227 + 438 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1798281 + 476100 = 1341^2 + 690^2 .

It is not a de Polignac number, because 2274381 - 2¹⁰ = 2273357 is a prime.

It is a super-2 number, since 2×2274381² = 10345617866322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 2²¹ + 7 + 4³ + 3¹¹ + 8 + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2274341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126346 + ... + 126363.

2^2274381 is an apocalyptic number.

It is an amenable number.

2274381 is a deficient number, since it is larger than the sum of its proper divisors (1010849).

2274381 is a wasteful number, since it uses less digits than its factorization.

2274381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252715 (or 252712 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2274381 is about 1508.1051024382. The cubic root of 2274381 is about 131.5086762433.

The spelling of 2274381 in words is "two million, two hundred seventy-four thousand, three hundred eighty-one".