30221422 has 64 divisors (see below), whose sum is σ = 59927040. Its totient is φ = 11088000.

The previous prime is 30221369. The next prime is 30221431. The reversal of 30221422 is 22412203.

It is a junction number, because it is equal to n+sod(n) for n = 30221396 and 30221405.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 299172 + ... + 299272.

It is an arithmetic number, because the mean of its divisors is an integer number (936360).

Almost surely, 2^30221422 is an apocalyptic number.

30221422 is a deficient number, since it is larger than the sum of its proper divisors (29705618).

30221422 is a wasteful number, since it uses less digits than its factorization.

30221422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30221422 is about 5497.4013861096. The cubic root of 30221422 is about 311.4858326740.

Adding to 30221422 its reverse (22412203), we get a palindrome (52633625).

It can be divided in two parts, 3022 and 1422, that added together give a palindrome (4444).

The spelling of 30221422 in words is "thirty million, two hundred twenty-one thousand, four hundred twenty-two".