42822481 has 16 divisors (see below), whose sum is σ = 48432384. Its totient is φ = 37566144.

The previous prime is 42822419. The next prime is 42822487. The reversal of 42822481 is 18422824.

42822481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42822481 - 2⁹ = 42821969 is a prime.

It is a super-2 number, since 2×42822481² = 3667529757990722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42822487) 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 15 ways as a sum of consecutive naturals, for example, 58540 + ... + 59266.

It is an arithmetic number, because the mean of its divisors is an integer number (3027024).

Almost surely, 2^42822481 is an apocalyptic number.

It is an amenable number.

42822481 is a deficient number, since it is larger than the sum of its proper divisors (5609903).

42822481 is a wasteful number, since it uses less digits than its factorization.

42822481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960.

The product of its digits is 8192, while the sum is 31.

The square root of 42822481 is about 6543.8888285178. Note that the first 4 decimals coincide. The cubic root of 42822481 is about 349.8570327655.

The spelling of 42822481 in words is "forty-two million, eight hundred twenty-two thousand, four hundred eighty-one".