2276281 has 8 divisors (see below), whose sum is σ = 2610944. Its totient is φ = 1944000.

The previous prime is 2276269. The next prime is 2276293. The reversal of 2276281 is 1826722.

It is an interprime number because it is at equal distance from previous prime (2276269) and next prime (2276293).

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

It is a 3-Lehmer number, since φ(2276281) divides (2276281-1)³.

It is a cyclic number.

It is not a de Polignac number, because 2276281 - 2⁹ = 2275769 is a prime.

It is a super-2 number, since 2×2276281² = 10362910381922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2276201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2656 + ... + 3406.

It is an arithmetic number, because the mean of its divisors is an integer number (326368).

2^2276281 is an apocalyptic number.

It is an amenable number.

2276281 is a deficient number, since it is larger than the sum of its proper divisors (334663).

2276281 is an equidigital number, since it uses as much as digits as its factorization.

2276281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191.

The product of its digits is 2688, while the sum is 28.

The square root of 2276281 is about 1508.7349005044. The cubic root of 2276281 is about 131.5452864885.

The spelling of 2276281 in words is "two million, two hundred seventy-six thousand, two hundred eighty-one".