30342234 has 16 divisors (see below), whose sum is σ = 65352672. Its totient is φ = 9336048.

The previous prime is 30342233. The next prime is 30342251. The reversal of 30342234 is 43224303.

It is a super-2 number, since 2×30342234² = 1841302328221512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30342234.

It is not an unprimeable number, because it can be changed into a prime (30342233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194424 + ... + 194579.

It is an arithmetic number, because the mean of its divisors is an integer number (4084542).

Almost surely, 2^30342234 is an apocalyptic number.

30342234 is an abundant number, since it is smaller than the sum of its proper divisors (35010438).

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

30342234 is a wasteful number, since it uses less digits than its factorization.

30342234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389021.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 30342234 is about 5508.3785272982. The cubic root of 30342234 is about 311.9003421027.

Adding to 30342234 its reverse (43224303), we get a palindrome (73566537).

The spelling of 30342234 in words is "thirty million, three hundred forty-two thousand, two hundred thirty-four".