22220021013 has 4 divisors (see below), whose sum is σ = 29626694688. Its totient is φ = 14813347340.

The previous prime is 22220020993. The next prime is 22220021027. The reversal of 22220021013 is 31012002222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22220021013 - 2¹⁰ = 22220019989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22220020983 and 22220021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220020013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3703336833 + ... + 3703336838.

It is an arithmetic number, because the mean of its divisors is an integer number (7406673672).

Almost surely, 2^22220021013 is an apocalyptic number.

It is an amenable number.

22220021013 is a deficient number, since it is larger than the sum of its proper divisors (7406673675).

22220021013 is an equidigital number, since it uses as much as digits as its factorization.

22220021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7406673674.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22220021013 its reverse (31012002222), we get a palindrome (53232023235).

The spelling of 22220021013 in words is "twenty-two billion, two hundred twenty million, twenty-one thousand, thirteen".