30522330 has 24 divisors (see below), whose sum is σ = 79358292. Its totient is φ = 8139264.

The previous prime is 30522287. The next prime is 30522343. The reversal of 30522330 is 3322503.

It can be written as a sum of positive squares in 2 ways, for example, as 30173049 + 349281 = 5493^2 + 591^2 .

It is a super-2 number, since 2×30522330² = 1863225257257800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169479 + ... + 169658.

Almost surely, 2^30522330 is an apocalyptic number.

30522330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30522330 is an abundant number, since it is smaller than the sum of its proper divisors (48835962).

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

30522330 is a wasteful number, since it uses less digits than its factorization.

30522330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339150 (or 339147 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 30522330 is about 5524.7018019075. The cubic root of 30522330 is about 312.5162188916.

Adding to 30522330 its reverse (3322503), we get a palindrome (33844833).

The spelling of 30522330 in words is "thirty million, five hundred twenty-two thousand, three hundred thirty".