30122242 has 8 divisors (see below), whose sum is σ = 46741500. Its totient is φ = 14541744.

The previous prime is 30122221. The next prime is 30122243. The reversal of 30122242 is 24222103.

It can be written as a sum of positive squares in 2 ways, for example, as 28611801 + 1510441 = 5349^2 + 1229^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30122243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259617 + ... + 259732.

Almost surely, 2^30122242 is an apocalyptic number.

30122242 is a deficient number, since it is larger than the sum of its proper divisors (16619258).

30122242 is a wasteful number, since it uses less digits than its factorization.

30122242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519380.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30122242 is about 5488.3733473589. The cubic root of 30122242 is about 311.1447167875.

Adding to 30122242 its reverse (24222103), we get a palindrome (54344345).

The spelling of 30122242 in words is "thirty million, one hundred twenty-two thousand, two hundred forty-two".