30428022 has 16 divisors (see below), whose sum is σ = 60984000. Its totient is φ = 10121352.

The previous prime is 30428003. The next prime is 30428039. The reversal of 30428022 is 22082403.

It is a self number, because there is not a number n which added to its sum of digits gives 30428022.

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, 2088 + ... + 8075.

It is an arithmetic number, because the mean of its divisors is an integer number (3811500).

Almost surely, 2^30428022 is an apocalyptic number.

30428022 is an abundant number, since it is smaller than the sum of its proper divisors (30555978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30428022 is a wasteful number, since it uses less digits than its factorization.

30428022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10667.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 30428022 is about 5516.1600774452. The cubic root of 30428022 is about 312.1940155864.

The spelling of 30428022 in words is "thirty million, four hundred twenty-eight thousand, twenty-two".