30528122 has 8 divisors (see below), whose sum is σ = 45858900. Its totient is φ = 15241824.

The previous prime is 30528119. The next prime is 30528137. The reversal of 30528122 is 22182503.

It can be written as a sum of positive squares in 2 ways, for example, as 26122321 + 4405801 = 5111^2 + 2099^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9347 + ... + 12182.

Almost surely, 2^30528122 is an apocalyptic number.

30528122 is a deficient number, since it is larger than the sum of its proper divisors (15330778).

30528122 is a wasteful number, since it uses less digits than its factorization.

30528122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22240.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 30528122 is about 5525.2259682297. The cubic root of 30528122 is about 312.5359856160.

The spelling of 30528122 in words is "thirty million, five hundred twenty-eight thousand, one hundred twenty-two".