30229881 has 8 divisors (see below), whose sum is σ = 43970784. Its totient is φ = 18321120.

The previous prime is 30229819. The next prime is 30229897. The reversal of 30229881 is 18892203.

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

It is not a de Polignac number, because 30229881 - 2¹⁰ = 30228857 is a prime.

It is a super-2 number, since 2×30229881² = 1827691410548322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 916057 = 30229881 / (3 + 0 + 2 + 2 + 9 + 8 + 8 + 1).

It is not an unprimeable number, because it can be changed into a prime (30228881) 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, 457996 + ... + 458061.

It is an arithmetic number, because the mean of its divisors is an integer number (5496348).

Almost surely, 2^30229881 is an apocalyptic number.

It is an amenable number.

30229881 is a deficient number, since it is larger than the sum of its proper divisors (13740903).

30229881 is a wasteful number, since it uses less digits than its factorization.

30229881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916071.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 30229881 is about 5498.1706957860. The cubic root of 30229881 is about 311.5148916735.

The spelling of 30229881 in words is "thirty million, two hundred twenty-nine thousand, eight hundred eighty-one".