30219800 has 96 divisors (see below), whose sum is σ = 77338800. Its totient is φ = 10913280.

The previous prime is 30219797. The next prime is 30219803. The reversal of 30219800 is 891203.

It is an interprime number because it is at equal distance from previous prime (30219797) and next prime (30219803).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30219803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153302 + ... + 153498.

Almost surely, 2^30219800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30219800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38669400).

30219800 is an abundant number, since it is smaller than the sum of its proper divisors (47119000).

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

30219800 is a wasteful number, since it uses less digits than its factorization.

30219800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 30219800 is about 5497.2538598831. The cubic root of 30219800 is about 311.4802600368.

It can be divided in two parts, 3021 and 9800, that added together give a palindrome (12821).

The spelling of 30219800 in words is "thirty million, two hundred nineteen thousand, eight hundred".