22442013321 has 16 divisors (see below), whose sum is σ = 36827919744. Its totient is φ = 11837545344.

The previous prime is 22442013233. The next prime is 22442013331. The reversal of 22442013321 is 12331024422.

It is a happy number.

It is not a de Polignac number, because 22442013321 - 2¹⁴ = 22441996937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22442013291 and 22442013300.

It is not an unprimeable number, because it can be changed into a prime (22442013331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41102316 + ... + 41102861.

It is an arithmetic number, because the mean of its divisors is an integer number (2301744984).

Almost surely, 2^22442013321 is an apocalyptic number.

22442013321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22442013321 is a deficient number, since it is larger than the sum of its proper divisors (14385906423).

22442013321 is a wasteful number, since it uses less digits than its factorization.

22442013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82205200.

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

Adding to 22442013321 its reverse (12331024422), we get a palindrome (34773037743).

The spelling of 22442013321 in words is "twenty-two billion, four hundred forty-two million, thirteen thousand, three hundred twenty-one".