30222322221 has 48 divisors (see below), whose sum is σ = 49924601856. Its totient is φ = 15923389248.

The previous prime is 30222322201. The next prime is 30222322223. The reversal of 30222322221 is 12222322203.

It is not a de Polignac number, because 30222322221 - 2¹³ = 30222314029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222322223) 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, 3484336 + ... + 3492998.

It is an arithmetic number, because the mean of its divisors is an integer number (1040095872).

Almost surely, 2^30222322221 is an apocalyptic number.

It is an amenable number.

30222322221 is a deficient number, since it is larger than the sum of its proper divisors (19702279635).

30222322221 is a wasteful number, since it uses less digits than its factorization.

30222322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9682 (or 9669 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 30222322221 its reverse (12222322203), we get a palindrome (42444644424).

The spelling of 30222322221 in words is "thirty billion, two hundred twenty-two million, three hundred twenty-two thousand, two hundred twenty-one".