30221134 has 16 divisors (see below), whose sum is σ = 48326400. Its totient is φ = 14132664.

The previous prime is 30221123. The next prime is 30221137. The reversal of 30221134 is 43112203.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221137) 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, 2032 + ... + 8035.

It is an arithmetic number, because the mean of its divisors is an integer number (3020400).

Almost surely, 2^30221134 is an apocalyptic number.

30221134 is a deficient number, since it is larger than the sum of its proper divisors (18105266).

30221134 is a wasteful number, since it uses less digits than its factorization.

30221134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10167.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30221134 is about 5497.3751918529. The cubic root of 30221134 is about 311.4848432190.

Adding to 30221134 its reverse (43112203), we get a palindrome (73333337).

The spelling of 30221134 in words is "thirty million, two hundred twenty-one thousand, one hundred thirty-four".