30222220021 has 24 divisors (see below), whose sum is σ = 36533718144. Its totient is φ = 24487172640.

The previous prime is 30222219961. The next prime is 30222220151. The reversal of 30222220021 is 12002222203.

It is not a de Polignac number, because 30222220021 - 2⁷ = 30222219893 is a prime.

It is a super-4 number, since 4×30222220021⁴ (a number of 43 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30222219977 and 30222220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222220321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1151976 + ... + 1177918.

It is an arithmetic number, because the mean of its divisors is an integer number (1522238256).

Almost surely, 2^30222220021 is an apocalyptic number.

It is an amenable number.

30222220021 is a deficient number, since it is larger than the sum of its proper divisors (6311498123).

30222220021 is a wasteful number, since it uses less digits than its factorization.

30222220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26449 (or 26430 counting only the distinct ones).

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

Adding to 30222220021 its reverse (12002222203), we get a palindrome (42224442224).

The spelling of 30222220021 in words is "thirty billion, two hundred twenty-two million, two hundred twenty thousand, twenty-one".