22123014044042 has 4 divisors (see below), whose sum is σ = 33184521066066. Its totient is φ = 11061507022020.

The previous prime is 22123014044023. The next prime is 22123014044069. The reversal of 22123014044042 is 24044041032122.

It is a happy number.

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., 21066273219601 + 1056740824441 = 4589801^2 + 1027979^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22123014043996 and 22123014044014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530753511009 + ... + 5530753511012.

Almost surely, 2^{22123014044042} is an apocalyptic number.

22123014044042 is a deficient number, since it is larger than the sum of its proper divisors (11061507022024).

22123014044042 is a wasteful number, since it uses less digits than its factorization.

22123014044042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061507022023.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 22123014044042 its reverse (24044041032122), we get a palindrome (46167055076164).

The spelling of 22123014044042 in words is "twenty-two trillion, one hundred twenty-three billion, fourteen million, forty-four thousand, forty-two".