30022332221 has 4 divisors (see below), whose sum is σ = 34311236832. Its totient is φ = 25733427612.

The previous prime is 30022332211. The next prime is 30022332233. The reversal of 30022332221 is 12223322003.

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 30022332221 - 2²² = 30018137917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30022332193 and 30022332202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022332211) 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, 2144452295 + ... + 2144452308.

It is an arithmetic number, because the mean of its divisors is an integer number (8577809208).

Almost surely, 2^30022332221 is an apocalyptic number.

It is an amenable number.

30022332221 is a deficient number, since it is larger than the sum of its proper divisors (4288904611).

30022332221 is an equidigital number, since it uses as much as digits as its factorization.

30022332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288904610.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30022332221 its reverse (12223322003), we get a palindrome (42245654224).

The spelling of 30022332221 in words is "thirty billion, twenty-two million, three hundred thirty-two thousand, two hundred twenty-one".