30320422 has 24 divisors (see below), whose sum is σ = 50274000. Its totient is φ = 13704240.

The previous prime is 30320393. The next prime is 30320453. The reversal of 30320422 is 22402303.

It is a junction number, because it is equal to n+sod(n) for n = 30320396 and 30320405.

It is a congruent 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, 84279 + ... + 84637.

It is an arithmetic number, because the mean of its divisors is an integer number (2094750).

Almost surely, 2^30320422 is an apocalyptic number.

30320422 is a deficient number, since it is larger than the sum of its proper divisors (19953578).

30320422 is a wasteful number, since it uses less digits than its factorization.

30320422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 30320422 is about 5506.3982783667. The cubic root of 30320422 is about 311.8255860041.

Adding to 30320422 its reverse (22402303), we get a palindrome (52722725).

The spelling of 30320422 in words is "thirty million, three hundred twenty thousand, four hundred twenty-two".