22234403242 has 4 divisors (see below), whose sum is σ = 33351604866. Its totient is φ = 11117201620.

The previous prime is 22234403201. The next prime is 22234403249. The reversal of 22234403242 is 24230443222.

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., 14862291921 + 7372111321 = 121911^2 + 85861^2 .

It is a super-2 number, since 2×22234403242² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22234403242.

It is not an unprimeable number, because it can be changed into a prime (22234403249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558600809 + ... + 5558600812.

Almost surely, 2^22234403242 is an apocalyptic number.

22234403242 is a deficient number, since it is larger than the sum of its proper divisors (11117201624).

22234403242 is a wasteful number, since it uses less digits than its factorization.

22234403242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11117201623.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 22234403242 its reverse (24230443222), we get a palindrome (46464846464).

The spelling of 22234403242 in words is "twenty-two billion, two hundred thirty-four million, four hundred three thousand, two hundred forty-two".