30022209 has 48 divisors (see below), whose sum is σ = 51891840. Its totient is φ = 16369920.

The previous prime is 30022189. The next prime is 30022253. The reversal of 30022209 is 90222003.

It is not a de Polignac number, because 30022209 - 2⁵ = 30022177 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30022191 and 30022200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022259) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152299 + ... + 152495.

It is an arithmetic number, because the mean of its divisors is an integer number (1081080).

Almost surely, 2^30022209 is an apocalyptic number.

It is an amenable number.

30022209 is a deficient number, since it is larger than the sum of its proper divisors (21869631).

30022209 is a wasteful number, since it uses less digits than its factorization.

30022209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 30022209 is about 5479.2525950170. The cubic root of 30022209 is about 310.7999078229.

The spelling of 30022209 in words is "thirty million, twenty-two thousand, two hundred nine".