2247281 has 8 divisors (see below), whose sum is σ = 2397024. Its totient is φ = 2099520.

The previous prime is 2247277. The next prime is 2247293. The reversal of 2247281 is 1827422.

2247281 = T₂₇₁ + T₂₇₂ + ... + T₃₂₁.

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

It is a cyclic number.

It is not a de Polignac number, because 2247281 - 2² = 2247277 is a prime.

It is a super-2 number, since 2×2247281² = 10100543785922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2247281.

It is not an unprimeable number, because it can be changed into a prime (2247881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2366 + ... + 3176.

It is an arithmetic number, because the mean of its divisors is an integer number (299628).

2^2247281 is an apocalyptic number.

It is an amenable number.

2247281 is a deficient number, since it is larger than the sum of its proper divisors (149743).

2247281 is a wasteful number, since it uses less digits than its factorization.

2247281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991.

The product of its digits is 1792, while the sum is 26.

The square root of 2247281 is about 1499.0933926877. The cubic root of 2247281 is about 130.9842647611.

The spelling of 2247281 in words is "two million, two hundred forty-seven thousand, two hundred eighty-one".