30229861 has 8 divisors (see below), whose sum is σ = 31371480. Its totient is φ = 29094912.

The previous prime is 30229819. The next prime is 30229897. The reversal of 30229861 is 16892203.

It can be written as a sum of positive squares in 4 ways, for example, as 7667361 + 22562500 = 2769^2 + 4750^2 .

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 30229861 - 2¹³ = 30221669 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 (30229561) 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, 8761 + ... + 11713.

It is an arithmetic number, because the mean of its divisors is an integer number (3921435).

Almost surely, 2^30229861 is an apocalyptic number.

It is an amenable number.

30229861 is a deficient number, since it is larger than the sum of its proper divisors (1141619).

30229861 is a wasteful number, since it uses less digits than its factorization.

30229861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 30229861 is about 5498.1688769990. The cubic root of 30229861 is about 311.5148229744.

The spelling of 30229861 in words is "thirty million, two hundred twenty-nine thousand, eight hundred sixty-one".