30422530 has 32 divisors (see below), whose sum is σ = 56768688. Its totient is φ = 11731200.

The previous prime is 30422527. The next prime is 30422551. The reversal of 30422530 is 3522403.

It can be written as a sum of positive squares in 8 ways, for example, as 9345249 + 21077281 = 3057^2 + 4591^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30422498 and 30422507.

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, 31860 + ... + 32800.

Almost surely, 2^30422530 is an apocalyptic number.

30422530 is a deficient number, since it is larger than the sum of its proper divisors (26346158).

30422530 is a wasteful number, since it uses less digits than its factorization.

30422530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30422530 is about 5515.6622449167. The cubic root of 30422530 is about 312.1752316653.

Adding to 30422530 its reverse (3522403), we get a palindrome (33944933).

The spelling of 30422530 in words is "thirty million, four hundred twenty-two thousand, five hundred thirty".