30222120424 has 16 divisors (see below), whose sum is σ = 56671385220. Its totient is φ = 15109751040.

The previous prime is 30222120419. The next prime is 30222120437. The reversal of 30222120424 is 42402122203.

It can be written as a sum of positive squares in 2 ways, for example, as 23034132900 + 7187987524 = 151770^2 + 84782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30222120395 and 30222120404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61809 + ... + 253504.

Almost surely, 2^30222120424 is an apocalyptic number.

It is an amenable number.

30222120424 is a deficient number, since it is larger than the sum of its proper divisors (26449264796).

30222120424 is a wasteful number, since it uses less digits than its factorization.

30222120424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327300 (or 327296 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 30222120424 its reverse (42402122203), we get a palindrome (72624242627).

The spelling of 30222120424 in words is "thirty billion, two hundred twenty-two million, one hundred twenty thousand, four hundred twenty-four".