30222403021 has 32 divisors (see below), whose sum is σ = 33464793600. Its totient is φ = 27269762560.

The previous prime is 30222403009. The next prime is 30222403027. The reversal of 30222403021 is 12030422203.

It is not a de Polignac number, because 30222403021 - 2⁵ = 30222402989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30222403021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222403027) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 11883276 + ... + 11885818.

It is an arithmetic number, because the mean of its divisors is an integer number (1045774800).

Almost surely, 2^30222403021 is an apocalyptic number.

It is an amenable number.

30222403021 is a deficient number, since it is larger than the sum of its proper divisors (3242390579).

30222403021 is an equidigital number, since it uses as much as digits as its factorization.

30222403021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694 (or 2660 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30222403021 its reverse (12030422203), we get a palindrome (42252825224).

The spelling of 30222403021 in words is "thirty billion, two hundred twenty-two million, four hundred three thousand, twenty-one".