22112011234 has 8 divisors (see below), whose sum is σ = 34311741660. Its totient is φ = 10674764016.

The previous prime is 22112011219. The next prime is 22112011237. The reversal of 22112011234 is 43211021122.

It can be written as a sum of positive squares in 2 ways, for example, as 21279515625 + 832495609 = 145875^2 + 28853^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×22112011234³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22112011237) 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, 190620729 + ... + 190620844.

Almost surely, 2^22112011234 is an apocalyptic number.

22112011234 is a deficient number, since it is larger than the sum of its proper divisors (12199730426).

22112011234 is a wasteful number, since it uses less digits than its factorization.

22112011234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381241604.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22112011234 its reverse (43211021122), we get a palindrome (65323032356).

The spelling of 22112011234 in words is "twenty-two billion, one hundred twelve million, eleven thousand, two hundred thirty-four".