30830226 has 48 divisors (see below), whose sum is σ = 72327744. Its totient is φ = 8582112.

The previous prime is 30830209. The next prime is 30830227. The reversal of 30830226 is 62203803.

It is a super-2 number, since 2×30830226² = 1901005670422152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30830196 and 30830205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30830227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77460 + ... + 77856.

It is an arithmetic number, because the mean of its divisors is an integer number (1506828).

Almost surely, 2^30830226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30830226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36163872).

30830226 is an abundant number, since it is smaller than the sum of its proper divisors (41497518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30830226 is a wasteful number, since it uses less digits than its factorization.

30830226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 30830226 is about 5552.4972760011. The cubic root of 30830226 is about 313.5635476793.

The spelling of 30830226 in words is "thirty million, eight hundred thirty thousand, two hundred twenty-six".