30422042 has 32 divisors (see below), whose sum is σ = 54163200. Its totient is φ = 12806640.

The previous prime is 30422039. The next prime is 30422057. The reversal of 30422042 is 24022403.

It is a self number, because there is not a number n which added to its sum of digits gives 30422042.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41483 + ... + 42209.

It is an arithmetic number, because the mean of its divisors is an integer number (1692600).

Almost surely, 2^30422042 is an apocalyptic number.

30422042 is a deficient number, since it is larger than the sum of its proper divisors (23741158).

30422042 is an equidigital number, since it uses as much as digits as its factorization.

30422042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 30422042 is about 5515.6180070777. The cubic root of 30422042 is about 312.1735624821.

Adding to 30422042 its reverse (24022403), we get a palindrome (54444445).

The spelling of 30422042 in words is "thirty million, four hundred twenty-two thousand, forty-two".