22221033613 has 8 divisors (see below), whose sum is σ = 22497515136. Its totient is φ = 21946254000.

The previous prime is 22221033599. The next prime is 22221033617. The reversal of 22221033613 is 31633012222.

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

It is a cyclic number.

It is not a de Polignac number, because 22221033613 - 2¹⁷ = 22220902541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221033617) 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, 399193 + ... + 451438.

It is an arithmetic number, because the mean of its divisors is an integer number (2812189392).

Almost surely, 2^22221033613 is an apocalyptic number.

It is an amenable number.

22221033613 is a deficient number, since it is larger than the sum of its proper divisors (276481523).

22221033613 is a wasteful number, since it uses less digits than its factorization.

22221033613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850955.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 22221033613 its reverse (31633012222), we get a palindrome (53854045835).

The spelling of 22221033613 in words is "twenty-two billion, two hundred twenty-one million, thirty-three thousand, six hundred thirteen".