30229732 has 12 divisors (see below), whose sum is σ = 56971516. Its totient is φ = 13952160.

The previous prime is 30229729. The next prime is 30229739. The reversal of 30229732 is 23792203.

It can be written as a sum of positive squares in 2 ways, for example, as 5089536 + 25140196 = 2256^2 + 5014^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30229732.

It is not an unprimeable number, because it can be changed into a prime (30229739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290619 + ... + 290722.

Almost surely, 2^30229732 is an apocalyptic number.

It is an amenable number.

30229732 is a deficient number, since it is larger than the sum of its proper divisors (26741784).

30229732 is a wasteful number, since it uses less digits than its factorization.

30229732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581358 (or 581356 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 30229732 is about 5498.1571458080. The cubic root of 30229732 is about 311.5143798643.

The spelling of 30229732 in words is "thirty million, two hundred twenty-nine thousand, seven hundred thirty-two".