22051142223 has 32 divisors (see below), whose sum is σ = 32859340800. Its totient is φ = 13038006240.

The previous prime is 22051142219. The next prime is 22051142231. The reversal of 22051142223 is 32224115022.

It is not a de Polignac number, because 22051142223 - 2² = 22051142219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22051142193 and 22051142202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22051142263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1244178 + ... + 1261776.

It is an arithmetic number, because the mean of its divisors is an integer number (1026854400).

Almost surely, 2^22051142223 is an apocalyptic number.

22051142223 is a deficient number, since it is larger than the sum of its proper divisors (10808198577).

22051142223 is a wasteful number, since it uses less digits than its factorization.

22051142223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18539.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 22051142223 its reverse (32224115022), we get a palindrome (54275257245).

The spelling of 22051142223 in words is "twenty-two billion, fifty-one million, one hundred forty-two thousand, two hundred twenty-three".