42939022 has 16 divisors (see below), whose sum is σ = 76810752. Its totient is φ = 17602200.

The previous prime is 42939019. The next prime is 42939037. The reversal of 42939022 is 22093924.

42939022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42939022² = 3687519220632968, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 66354 + ... + 66997.

It is an arithmetic number, because the mean of its divisors is an integer number (4800672).

Almost surely, 2^42939022 is an apocalyptic number.

42939022 is a deficient number, since it is larger than the sum of its proper divisors (33871730).

42939022 is a wasteful number, since it uses less digits than its factorization.

42939022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133383.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 42939022 is about 6552.7873458552. The cubic root of 42939022 is about 350.1741228844.

The spelling of 42939022 in words is "forty-two million, nine hundred thirty-nine thousand, twenty-two".