30229285 has 8 divisors (see below), whose sum is σ = 38184480. Its totient is φ = 22910544.

The previous prime is 30229273. The next prime is 30229289. The reversal of 30229285 is 58292203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30229285 - 2⁵ = 30229253 is a prime.

It is a super-2 number, since 2×30229285² = 1827619343222450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30229289) 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, 159007 + ... + 159196.

It is an arithmetic number, because the mean of its divisors is an integer number (4773060).

Almost surely, 2^30229285 is an apocalyptic number.

It is an amenable number.

30229285 is a deficient number, since it is larger than the sum of its proper divisors (7955195).

30229285 is a wasteful number, since it uses less digits than its factorization.

30229285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318227.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 30229285 is about 5498.1164956738. The cubic root of 30229285 is about 311.5128444266.

The spelling of 30229285 in words is "thirty million, two hundred twenty-nine thousand, two hundred eighty-five".