30300222 has 16 divisors (see below), whose sum is σ = 64165392. Its totient is φ = 9505920.

The previous prime is 30300211. The next prime is 30300241. The reversal of 30300222 is 22200303.

It is a junction number, because it is equal to n+sod(n) for n = 30300198 and 30300207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148429 + ... + 148632.

It is an arithmetic number, because the mean of its divisors is an integer number (4010337).

Almost surely, 2^30300222 is an apocalyptic number.

30300222 is an abundant number, since it is smaller than the sum of its proper divisors (33865170).

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

30300222 is a wasteful number, since it uses less digits than its factorization.

30300222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297083.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 30300222 is about 5504.5637429319. The cubic root of 30300222 is about 311.7563227183.

Adding to 30300222 its reverse (22200303), we get a palindrome (52500525).

The spelling of 30300222 in words is "thirty million, three hundred thousand, two hundred twenty-two".