30220303221 has 48 divisors (see below), whose sum is σ = 47082427392. Its totient is φ = 18624038400.

The previous prime is 30220303199. The next prime is 30220303231. The reversal of 30220303221 is 12230302203.

It is a happy number.

It is not a de Polignac number, because 30220303221 - 2¹⁵ = 30220270453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30220303194 and 30220303203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220303231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5470941 + ... + 5476461.

It is an arithmetic number, because the mean of its divisors is an integer number (980883904).

Almost surely, 2^30220303221 is an apocalyptic number.

30220303221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30220303221 is a deficient number, since it is larger than the sum of its proper divisors (16862124171).

30220303221 is a wasteful number, since it uses less digits than its factorization.

30220303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434 (or 6431 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30220303221 its reverse (12230302203), we get a palindrome (42450605424).

The spelling of 30220303221 in words is "thirty billion, two hundred twenty million, three hundred three thousand, two hundred twenty-one".