30442230 has 240 divisors, whose sum is σ = 104282640. Its totient is φ = 6314112.

The previous prime is 30442219. The next prime is 30442259. The reversal of 30442230 is 3224403.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 515941 + ... + 515999.

It is an arithmetic number, because the mean of its divisors is an integer number (434511).

Almost surely, 2^30442230 is an apocalyptic number.

30442230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30442230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52141320).

30442230 is an abundant number, since it is smaller than the sum of its proper divisors (73840410).

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

30442230 is a wasteful number, since it uses less digits than its factorization.

30442230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 30442230 is about 5517.4477795445. The cubic root of 30442230 is about 312.2425997759.

Adding to 30442230 its reverse (3224403), we get a palindrome (33666633).

The spelling of 30442230 in words is "thirty million, four hundred forty-two thousand, two hundred thirty".