30222209 has 8 divisors (see below), whose sum is σ = 32387040. Its totient is φ = 28100416.

The previous prime is 30222187. The next prime is 30222211. The reversal of 30222209 is 90222203.

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

It is a cyclic number.

It is not a de Polignac number, because 30222209 - 2⁸ = 30221953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30222259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9299 + ... + 12120.

It is an arithmetic number, because the mean of its divisors is an integer number (4048380).

Almost surely, 2^30222209 is an apocalyptic number.

It is an amenable number.

30222209 is a deficient number, since it is larger than the sum of its proper divisors (2164831).

30222209 is a wasteful number, since it uses less digits than its factorization.

30222209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21519.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30222209 is about 5497.4729649176. The cubic root of 30222209 is about 311.4885364649.

The spelling of 30222209 in words is "thirty million, two hundred twenty-two thousand, two hundred nine".