5422781 has 12 divisors (see below), whose sum is σ = 6794172. Its totient is φ = 4290048.

The previous prime is 5422777. The next prime is 5422789. The reversal of 5422781 is 1872245.

It can be written as a sum of positive squares in 2 ways, for example, as 3363556 + 2059225 = 1834^2 + 1435^2 .

It is not a de Polignac number, because 5422781 - 2² = 5422777 is a prime.

It is a super-2 number, since 2×5422781² = 58813107547922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5422789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3620 + ... + 4893.

It is an arithmetic number, because the mean of its divisors is an integer number (566181).

Almost surely, 2^5422781 is an apocalyptic number.

It is an amenable number.

5422781 is a deficient number, since it is larger than the sum of its proper divisors (1371391).

5422781 is a wasteful number, since it uses less digits than its factorization.

5422781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540 (or 8533 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 5422781 is about 2328.6865396614. The cubic root of 5422781 is about 175.6874294589.

The spelling of 5422781 in words is "five million, four hundred twenty-two thousand, seven hundred eighty-one".