22115110223 has 4 divisors (see below), whose sum is σ = 22125958320. Its totient is φ = 22104262128.

The previous prime is 22115110217. The next prime is 22115110231. The reversal of 22115110223 is 32201151122.

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 22115110223 - 2⁸ = 22115109967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22115110195 and 22115110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22115115223) 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, 5420990 + ... + 5425067.

It is an arithmetic number, because the mean of its divisors is an integer number (5531489580).

Almost surely, 2^22115110223 is an apocalyptic number.

22115110223 is a deficient number, since it is larger than the sum of its proper divisors (10848097).

22115110223 is a wasteful number, since it uses less digits than its factorization.

22115110223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10848096.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 22115110223 its reverse (32201151122), we get a palindrome (54316261345).

The spelling of 22115110223 in words is "twenty-two billion, one hundred fifteen million, one hundred ten thousand, two hundred twenty-three".