22140434122 has 4 divisors (see below), whose sum is σ = 33210651186. Its totient is φ = 11070217060.

The previous prime is 22140434117. The next prime is 22140434123. The reversal of 22140434122 is 22143404122.

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., 14378647921 + 7761786201 = 119911^2 + 88101^2 .

It is a super-2 number, since 2×22140434122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22140434123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5535108529 + ... + 5535108532.

Almost surely, 2^22140434122 is an apocalyptic number.

22140434122 is a deficient number, since it is larger than the sum of its proper divisors (11070217064).

22140434122 is a wasteful number, since it uses less digits than its factorization.

22140434122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11070217063.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22140434122 its reverse (22143404122), we get a palindrome (44283838244).

The spelling of 22140434122 in words is "twenty-two billion, one hundred forty million, four hundred thirty-four thousand, one hundred twenty-two".