42822113 has 4 divisors (see below), whose sum is σ = 44683968. Its totient is φ = 40960260.

The previous prime is 42822103. The next prime is 42822127. The reversal of 42822113 is 31122824.

It is a happy number.

42822113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42822113 - 2⁴ = 42822097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 1861831 = 42822113 / (4 + 2 + 8 + 2 + 2 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42822103) 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, 930893 + ... + 930938.

It is an arithmetic number, because the mean of its divisors is an integer number (11170992).

Almost surely, 2^42822113 is an apocalyptic number.

It is an amenable number.

42822113 is a deficient number, since it is larger than the sum of its proper divisors (1861855).

42822113 is a wasteful number, since it uses less digits than its factorization.

42822113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861854.

The product of its digits is 768, while the sum is 23.

The square root of 42822113 is about 6543.8607106203. The cubic root of 42822113 is about 349.8560305835.

Adding to 42822113 its reverse (31122824), we get a palindrome (73944937).

The spelling of 42822113 in words is "forty-two million, eight hundred twenty-two thousand, one hundred thirteen".