4492281 has 8 divisors (see below), whose sum is σ = 6151744. Its totient is φ = 2913840.

The previous prime is 4492277. The next prime is 4492289. The reversal of 4492281 is 1822944.

4492281 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4492281 - 2² = 4492277 is a prime.

It is a super-2 number, since 2×4492281² = 40361177165922, which contains 22 as substring.

It is the 2120-th Hogben number.

It is a Duffinian number.

4492281 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4492289) by changing a digit.

It is a nontrivial repunit in base 2119.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20125 + ... + 20346.

It is an arithmetic number, because the mean of its divisors is an integer number (768968).

Almost surely, 2^4492281 is an apocalyptic number.

It is an amenable number.

4492281 is a deficient number, since it is larger than the sum of its proper divisors (1659463).

4492281 is a wasteful number, since it uses less digits than its factorization.

4492281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40511.

The product of its digits is 4608, while the sum is 30.

The square root of 4492281 is about 2119.5001769285. The cubic root of 4492281 is about 165.0019099871.

The spelling of 4492281 in words is "four million, four hundred ninety-two thousand, two hundred eighty-one".