30229389 has 8 divisors (see below), whose sum is σ = 44784320. Its totient is φ = 20152908.

The previous prime is 30229351. The next prime is 30229391. The reversal of 30229389 is 98392203.

It is a de Polignac number, because none of the positive numbers 2^k-30229389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30229189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559777 + ... + 559830.

It is an arithmetic number, because the mean of its divisors is an integer number (5598040).

Almost surely, 2^30229389 is an apocalyptic number.

It is an amenable number.

30229389 is a deficient number, since it is larger than the sum of its proper divisors (14554931).

30229389 is a wasteful number, since it uses less digits than its factorization.

30229389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119616 (or 1119610 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 30229389 is about 5498.1259534500. The cubic root of 30229389 is about 311.5132016662.

The spelling of 30229389 in words is "thirty million, two hundred twenty-nine thousand, three hundred eighty-nine".