30242212 has 108 divisors (see below), whose sum is σ = 73601136. Its totient is φ = 10745280.

The previous prime is 30242207. The next prime is 30242231. The reversal of 30242212 is 21224203.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 364323 + ... + 364405.

It is an arithmetic number, because the mean of its divisors is an integer number (681492).

Almost surely, 2^30242212 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 30242212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36800568).

30242212 is an abundant number, since it is smaller than the sum of its proper divisors (43358924).

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

30242212 is a wasteful number, since it uses less digits than its factorization.

30242212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30242212 is about 5499.2919544247. The cubic root of 30242212 is about 311.5572423524.

Adding to 30242212 its reverse (21224203), we get a palindrome (51466415).

Subtracting from 30242212 its reverse (21224203), we obtain a square (9018009 = 3003²).

It can be divided in two parts, 30 and 242212, that added together give a palindrome (242242).

The spelling of 30242212 in words is "thirty million, two hundred forty-two thousand, two hundred twelve".