30122122 has 4 divisors (see below), whose sum is σ = 45183186. Its totient is φ = 15061060.

The previous prime is 30122117. The next prime is 30122123. The reversal of 30122122 is 22122103.

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

It can be written as a sum of positive squares in only one way, i.e., 25010001 + 5112121 = 5001^2 + 2261^2 .

It is not an unprimeable number, because it can be changed into a prime (30122123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7530529 + ... + 7530532.

Almost surely, 2^30122122 is an apocalyptic number.

30122122 is a deficient number, since it is larger than the sum of its proper divisors (15061064).

30122122 is a wasteful number, since it uses less digits than its factorization.

30122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15061063.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30122122 is about 5488.3624151472. The cubic root of 30122122 is about 311.1443036109.

Adding to 30122122 its reverse (22122103), we get a palindrome (52244225).

The spelling of 30122122 in words is "thirty million, one hundred twenty-two thousand, one hundred twenty-two".