30222322021 has 4 divisors (see below), whose sum is σ = 30222868032. Its totient is φ = 30221776012.

The previous prime is 30222322007. The next prime is 30222322049. The reversal of 30222322021 is 12022322203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30222322021 - 2⁵ = 30222321989 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 30222322021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222322321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179245 + ... + 304258.

It is an arithmetic number, because the mean of its divisors is an integer number (7555717008).

Almost surely, 2^30222322021 is an apocalyptic number.

It is an amenable number.

30222322021 is a deficient number, since it is larger than the sum of its proper divisors (546011).

30222322021 is an equidigital number, since it uses as much as digits as its factorization.

30222322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546010.

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

Adding to 30222322021 its reverse (12022322203), we get a palindrome (42244644224).

The spelling of 30222322021 in words is "thirty billion, two hundred twenty-two million, three hundred twenty-two thousand, twenty-one".