30234222 has 40 divisors (see below), whose sum is σ = 68168496. Its totient is φ = 10015488.

The previous prime is 30234209. The next prime is 30234227. The reversal of 30234222 is 22243203.

30234222 is a `hidden beast` number, since 302 + 342 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 30234195 and 30234204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30234227) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30783 + ... + 31749.

Almost surely, 2^30234222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30234222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34084248).

30234222 is an abundant number, since it is smaller than the sum of its proper divisors (37934274).

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

30234222 is a wasteful number, since it uses less digits than its factorization.

30234222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1165 counting only the distinct ones).

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

The square root of 30234222 is about 5498.5654492786. The cubic root of 30234222 is about 311.5298021018.

Adding to 30234222 its reverse (22243203), we get a palindrome (52477425).

The spelling of 30234222 in words is "thirty million, two hundred thirty-four thousand, two hundred twenty-two".