30122210 has 8 divisors (see below), whose sum is σ = 54219996. Its totient is φ = 12048880.

The previous prime is 30122161. The next prime is 30122221. The reversal of 30122210 is 1222103.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28398241 + 1723969 = 5329^2 + 1313^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 30122191 and 30122200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506101 + ... + 1506120.

Almost surely, 2^30122210 is an apocalyptic number.

30122210 is a deficient number, since it is larger than the sum of its proper divisors (24097786).

30122210 is a wasteful number, since it uses less digits than its factorization.

30122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012228.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 30122210 is about 5488.3704321046. The cubic root of 30122210 is about 311.1446066071.

Adding to 30122210 its reverse (1222103), we get a palindrome (31344313).

The spelling of 30122210 in words is "thirty million, one hundred twenty-two thousand, two hundred ten".