30221223122231 has 4 divisors (see below), whose sum is σ = 30231395196264. Its totient is φ = 30211051048200.

The previous prime is 30221223122227. The next prime is 30221223122249. The reversal of 30221223122231 is 13222132212203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30221223122231 - 2² = 30221223122227 is a prime.

It is a super-2 number, since 2×30221223122231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30221223122231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221223122291) 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, 5086032560 + ... + 5086038501.

It is an arithmetic number, because the mean of its divisors is an integer number (7557848799066).

Almost surely, 2^{30221223122231} is an apocalyptic number.

30221223122231 is a deficient number, since it is larger than the sum of its proper divisors (10172074033).

30221223122231 is a wasteful number, since it uses less digits than its factorization.

30221223122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10172074032.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 30221223122231 its reverse (13222132212203), we get a palindrome (43443355334434).

The spelling of 30221223122231 in words is "thirty trillion, two hundred twenty-one billion, two hundred twenty-three million, one hundred twenty-two thousand, two hundred thirty-one".