22105462234 has 4 divisors (see below), whose sum is σ = 33158193354. Its totient is φ = 11052731116.

The previous prime is 22105462207. The next prime is 22105462259. The reversal of 22105462234 is 43226450122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43226450122 = 2 ⋅21613225061.

It can be written as a sum of positive squares in only one way, i.e., 16329006225 + 5776456009 = 127785^2 + 76003^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 22105462196 and 22105462205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5526365557 + ... + 5526365560.

Almost surely, 2^22105462234 is an apocalyptic number.

22105462234 is a deficient number, since it is larger than the sum of its proper divisors (11052731120).

22105462234 is a wasteful number, since it uses less digits than its factorization.

22105462234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11052731119.

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 22105462234 in words is "twenty-two billion, one hundred five million, four hundred sixty-two thousand, two hundred thirty-four".