30501226 has 12 divisors (see below), whose sum is σ = 53221698. Its totient is φ = 13071912.

The previous prime is 30501223. The next prime is 30501227. The reversal of 30501226 is 62210503.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28676025 + 1825201 = 5355^2 + 1351^2 .

It is not an unprimeable number, because it can be changed into a prime (30501223) 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 5 ways as a sum of consecutive naturals, for example, 155521 + ... + 155716.

Almost surely, 2^30501226 is an apocalyptic number.

30501226 is a deficient number, since it is larger than the sum of its proper divisors (22720472).

30501226 is a wasteful number, since it uses less digits than its factorization.

30501226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311253 (or 311246 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 30501226 is about 5522.7915043029. The cubic root of 30501226 is about 312.4441747746. Note that the first 3 decimals are identical.

Adding to 30501226 its reverse (62210503), we get a palindrome (92711729).

The spelling of 30501226 in words is "thirty million, five hundred one thousand, two hundred twenty-six".