30004220 has 24 divisors (see below), whose sum is σ = 63189504. Its totient is φ = 11967296.

The previous prime is 30004207. The next prime is 30004223. The reversal of 30004220 is 2240003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30004223) 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, 5702 + ... + 9618.

It is an arithmetic number, because the mean of its divisors is an integer number (2632896).

Almost surely, 2^30004220 is an apocalyptic number.

It is an amenable number.

30004220 is an abundant number, since it is smaller than the sum of its proper divisors (33185284).

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

30004220 is a wasteful number, since it uses less digits than its factorization.

30004220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309 (or 4307 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 30004220 is about 5477.6107930374. The cubic root of 30004220 is about 310.7378193803.

Adding to 30004220 its reverse (2240003), we get a palindrome (32244223).

The spelling of 30004220 in words is "thirty million, four thousand, two hundred twenty".