22134200423042 has 4 divisors (see below), whose sum is σ = 33201300634566. Its totient is φ = 11067100211520.

The previous prime is 22134200423039. The next prime is 22134200423053. The reversal of 22134200423042 is 24032400243122.

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

It can be written as a sum of positive squares in only one way, i.e., 17084656622881 + 5049543800161 = 4133359^2 + 2247119^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22134200422996 and 22134200423014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5533550105759 + ... + 5533550105762.

Almost surely, 2^{22134200423042} is an apocalyptic number.

22134200423042 is a deficient number, since it is larger than the sum of its proper divisors (11067100211524).

22134200423042 is a wasteful number, since it uses less digits than its factorization.

22134200423042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11067100211523.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 22134200423042 its reverse (24032400243122), we get a palindrome (46166600666164).

The spelling of 22134200423042 in words is "twenty-two trillion, one hundred thirty-four billion, two hundred million, four hundred twenty-three thousand, forty-two".