30234220 has 24 divisors (see below), whose sum is σ = 65042208. Its totient is φ = 11798400.

The previous prime is 30234209. The next prime is 30234227. The reversal of 30234220 is 2243203.

It is a junction number, because it is equal to n+sod(n) for n = 30234194 and 30234203.

It is not an unprimeable number, because it can be changed into a prime (30234227) 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, 17616 + ... + 19255.

It is an arithmetic number, because the mean of its divisors is an integer number (2710092).

Almost surely, 2^30234220 is an apocalyptic number.

It is an amenable number.

30234220 is an abundant number, since it is smaller than the sum of its proper divisors (34807988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30234220 is a wasteful number, since it uses less digits than its factorization.

30234220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36921 (or 36919 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 30234220 is about 5498.5652674129. The cubic root of 30234220 is about 311.5297952326.

Adding to 30234220 its reverse (2243203), we get a palindrome (32477423).

The spelling of 30234220 in words is "thirty million, two hundred thirty-four thousand, two hundred twenty".