22221021013 has 8 divisors (see below), whose sum is σ = 22871194880. Its totient is φ = 21580069680.

The previous prime is 22221021001. The next prime is 22221021023. The reversal of 22221021013 is 31012012222.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22221021013 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 (22221021023) 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, 2300745 + ... + 2310382.

It is an arithmetic number, because the mean of its divisors is an integer number (2858899360).

Almost surely, 2^22221021013 is an apocalyptic number.

It is an amenable number.

22221021013 is a deficient number, since it is larger than the sum of its proper divisors (650173867).

22221021013 is an equidigital number, since it uses as much as digits as its factorization.

22221021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611267.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22221021013 its reverse (31012012222), we get a palindrome (53233033235).

The spelling of 22221021013 in words is "twenty-two billion, two hundred twenty-one million, twenty-one thousand, thirteen".