42823922 has 8 divisors (see below), whose sum is σ = 64267500. Its totient is φ = 21401424.

The previous prime is 42823897. The next prime is 42823931. The reversal of 42823922 is 22932824.

42823922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41589601 + 1234321 = 6449^2 + 1111^2 .

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

It is an unprimeable number.

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, 1604 + ... + 9392.

Almost surely, 2^42823922 is an apocalyptic number.

42823922 is a deficient number, since it is larger than the sum of its proper divisors (21443578).

42823922 is a wasteful number, since it uses less digits than its factorization.

42823922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10540.

The product of its digits is 13824, while the sum is 32.

The square root of 42823922 is about 6543.9989303178. The cubic root of 42823922 is about 349.8609570152.

The spelling of 42823922 in words is "forty-two million, eight hundred twenty-three thousand, nine hundred twenty-two".