30221222232331 has 64 divisors (see below), whose sum is σ = 36056745381888. Its totient is φ = 25068847085568.

The previous prime is 30221222232323. The next prime is 30221222232361. The reversal of 30221222232331 is 13323222212203.

It is not a de Polignac number, because 30221222232331 - 2³ = 30221222232323 is a prime.

It is a super-2 number, since 2×30221222232331² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30221222232331.

It is not an unprimeable number, because it can be changed into a prime (30221222232361) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143982046 + ... + 144191788.

It is an arithmetic number, because the mean of its divisors is an integer number (563386646592).

Almost surely, 2^{30221222232331} is an apocalyptic number.

30221222232331 is a deficient number, since it is larger than the sum of its proper divisors (5835523149557).

30221222232331 is a wasteful number, since it uses less digits than its factorization.

30221222232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210140.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 30221222232331 its reverse (13323222212203), we get a palindrome (43544444444534).

The spelling of 30221222232331 in words is "thirty trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred thirty-two thousand, three hundred thirty-one".