30306422 has 4 divisors (see below), whose sum is σ = 45459636. Its totient is φ = 15153210.

The previous prime is 30306403. The next prime is 30306431. The reversal of 30306422 is 22460303.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×30306422³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30306394 and 30306403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7576604 + ... + 7576607.

It is an arithmetic number, because the mean of its divisors is an integer number (11364909).

Almost surely, 2^30306422 is an apocalyptic number.

30306422 is a deficient number, since it is larger than the sum of its proper divisors (15153214).

30306422 is a wasteful number, since it uses less digits than its factorization.

30306422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15153213.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 30306422 is about 5505.1268831881. The cubic root of 30306422 is about 311.7775850200. Note that the first 3 decimals are identical.

Adding to 30306422 its reverse (22460303), we get a palindrome (52766725).

The spelling of 30306422 in words is "thirty million, three hundred six thousand, four hundred twenty-two".