22442021313 has 8 divisors (see below), whose sum is σ = 29928403776. Its totient is φ = 14958493200.

The previous prime is 22442021291. The next prime is 22442021353. The reversal of 22442021313 is 31312024422.

It is a happy number.

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

It is not a de Polignac number, because 22442021313 - 2⁵ = 22442021281 is a prime.

It is a super-2 number, since 2×22442021313² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22442021353) 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, 695173 + ... + 726738.

It is an arithmetic number, because the mean of its divisors is an integer number (3741050472).

Almost surely, 2^22442021313 is an apocalyptic number.

It is an amenable number.

22442021313 is a deficient number, since it is larger than the sum of its proper divisors (7486382463).

22442021313 is a wasteful number, since it uses less digits than its factorization.

22442021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427175.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22442021313 its reverse (31312024422), we get a palindrome (53754045735).

The spelling of 22442021313 in words is "twenty-two billion, four hundred forty-two million, twenty-one thousand, three hundred thirteen".