2252281 has 4 divisors (see below), whose sum is σ = 2260864. Its totient is φ = 2243700.

The previous prime is 2252273. The next prime is 2252309. The reversal of 2252281 is 1822522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2252281 - 2³ = 2252273 is a prime.

It is a super-2 number, since 2×2252281² = 10145539405922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2252221) 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 3 ways as a sum of consecutive naturals, for example, 3885 + ... + 4426.

It is an arithmetic number, because the mean of its divisors is an integer number (565216).

2^2252281 is an apocalyptic number.

It is an amenable number.

2252281 is a deficient number, since it is larger than the sum of its proper divisors (8583).

2252281 is an equidigital number, since it uses as much as digits as its factorization.

2252281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8582.

The product of its digits is 640, while the sum is 22.

The square root of 2252281 is about 1500.7601407287. The cubic root of 2252281 is about 131.0813355783.

The spelling of 2252281 in words is "two million, two hundred fifty-two thousand, two hundred eighty-one".