22134242 has 16 divisors (see below), whose sum is σ = 35835072. Its totient is φ = 10193040.

The previous prime is 22134209. The next prime is 22134247. The reversal of 22134242 is 24243122.

It is a super-3 number, since 3×22134242³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22134247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18317 + ... + 19487.

It is an arithmetic number, because the mean of its divisors is an integer number (2239692).

Almost surely, 2^22134242 is an apocalyptic number.

22134242 is a deficient number, since it is larger than the sum of its proper divisors (13700830).

22134242 is a wasteful number, since it uses less digits than its factorization.

22134242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913.

The product of its digits is 768, while the sum is 20.

The square root of 22134242 is about 4704.7042415013. The cubic root of 22134242 is about 280.7727040753.

Adding to 22134242 its reverse (24243122), we get a palindrome (46377364).

The spelling of 22134242 in words is "twenty-two million, one hundred thirty-four thousand, two hundred forty-two".