4822781 has 8 divisors (see below), whose sum is σ = 5132160. Its totient is φ = 4516288.

The previous prime is 4822777. The next prime is 4822799. The reversal of 4822781 is 1872284.

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

It is not a de Polignac number, because 4822781 - 2² = 4822777 is a prime.

It is a super-2 number, since 2×4822781² = 46518433147922, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4822711) 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, 3470 + ... + 4656.

It is an arithmetic number, because the mean of its divisors is an integer number (641520).

Almost surely, 2^4822781 is an apocalyptic number.

It is an amenable number.

4822781 is a deficient number, since it is larger than the sum of its proper divisors (309379).

4822781 is a wasteful number, since it uses less digits than its factorization.

4822781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443.

The product of its digits is 7168, while the sum is 32.

The square root of 4822781 is about 2196.0831040742. The cubic root of 4822781 is about 168.9529764249.

The spelling of 4822781 in words is "four million, eight hundred twenty-two thousand, seven hundred eighty-one".