23221100022331 has 4 divisors (see below), whose sum is σ = 23225664820032. Its totient is φ = 23216535224632.

The previous prime is 23221100022319. The next prime is 23221100022347. The reversal of 23221100022331 is 13322000112232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23221100022331 is a prime.

It is a super-2 number, since 2×23221100022331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23221100029331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2282391220 + ... + 2282401393.

It is an arithmetic number, because the mean of its divisors is an integer number (5806416205008).

Almost surely, 2^{23221100022331} is an apocalyptic number.

23221100022331 is a deficient number, since it is larger than the sum of its proper divisors (4564797701).

23221100022331 is an equidigital number, since it uses as much as digits as its factorization.

23221100022331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564797700.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23221100022331 its reverse (13322000112232), we get a palindrome (36543100134563).

The spelling of 23221100022331 in words is "twenty-three trillion, two hundred twenty-one billion, one hundred million, twenty-two thousand, three hundred thirty-one".