30229901 has 4 divisors (see below), whose sum is σ = 32555292. Its totient is φ = 27904512.

The previous prime is 30229897. The next prime is 30229907. The reversal of 30229901 is 10992203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10992203 = 19 ⋅578537.

It can be written as a sum of positive squares in 2 ways, for example, as 2656900 + 27573001 = 1630^2 + 5251^2 .

It is a cyclic number.

It is not a de Polignac number, because 30229901 - 2² = 30229897 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 (30229907) 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 3 ways as a sum of consecutive naturals, for example, 1162676 + ... + 1162701.

It is an arithmetic number, because the mean of its divisors is an integer number (8138823).

Almost surely, 2^30229901 is an apocalyptic number.

It is an amenable number.

30229901 is a deficient number, since it is larger than the sum of its proper divisors (2325391).

30229901 is a wasteful number, since it uses less digits than its factorization.

30229901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325390.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 30229901 is about 5498.1725145725. The cubic root of 30229901 is about 311.5149603726.

It can be divided in two parts, 302 and 29901, that added together give a palindrome (30203).

The spelling of 30229901 in words is "thirty million, two hundred twenty-nine thousand, nine hundred one".