30122722 has 8 divisors (see below), whose sum is σ = 51638976. Its totient is φ = 12909732.

The previous prime is 30122717. The next prime is 30122737. The reversal of 30122722 is 22722103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30122722.

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 in 3 ways as a sum of consecutive naturals, for example, 1075798 + ... + 1075825.

It is an arithmetic number, because the mean of its divisors is an integer number (6454872).

Almost surely, 2^30122722 is an apocalyptic number.

30122722 is a deficient number, since it is larger than the sum of its proper divisors (21516254).

30122722 is a wasteful number, since it uses less digits than its factorization.

30122722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151632.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 30122722 is about 5488.4170759883. The cubic root of 30122722 is about 311.1463694828.

Adding to 30122722 its reverse (22722103), we get a palindrome (52844825).

The spelling of 30122722 in words is "thirty million, one hundred twenty-two thousand, seven hundred twenty-two".