30122342 has 4 divisors (see below), whose sum is σ = 45183516. Its totient is φ = 15061170.

The previous prime is 30122333. The next prime is 30122369. The reversal of 30122342 is 24322103.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30122342.

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, 7530584 + ... + 7530587.

It is an arithmetic number, because the mean of its divisors is an integer number (11295879).

Almost surely, 2^30122342 is an apocalyptic number.

30122342 is a deficient number, since it is larger than the sum of its proper divisors (15061174).

30122342 is a wasteful number, since it uses less digits than its factorization.

30122342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15061173.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30122342 is about 5488.3824575188. The cubic root of 30122342 is about 311.1450611004.

Adding to 30122342 its reverse (24322103), we get a palindrome (54444445).

The spelling of 30122342 in words is "thirty million, one hundred twenty-two thousand, three hundred forty-two".