30845222 has 4 divisors (see below), whose sum is σ = 46267836. Its totient is φ = 15422610.

The previous prime is 30845219. The next prime is 30845251. The reversal of 30845222 is 22254803.

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

It is a junction number, because it is equal to n+sod(n) for n = 30845191 and 30845200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7711304 + ... + 7711307.

It is an arithmetic number, because the mean of its divisors is an integer number (11566959).

Almost surely, 2^30845222 is an apocalyptic number.

30845222 is a deficient number, since it is larger than the sum of its proper divisors (15422614).

30845222 is a wasteful number, since it uses less digits than its factorization.

30845222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15422613.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 30845222 is about 5553.8474952055. The cubic root of 30845222 is about 313.6143791455.

The spelling of 30845222 in words is "thirty million, eight hundred forty-five thousand, two hundred twenty-two".