22220013 has 8 divisors (see below), whose sum is σ = 29983968. Its totient is φ = 14634704.

The previous prime is 22219999. The next prime is 22220027. The reversal of 22220013 is 31002222.

It is an interprime number because it is at equal distance from previous prime (22219999) and next prime (22220027).

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 22220013 - 2⁹ = 22219501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44370 + ... + 44867.

It is an arithmetic number, because the mean of its divisors is an integer number (3747996).

Almost surely, 2^22220013 is an apocalyptic number.

It is an amenable number.

22220013 is a deficient number, since it is larger than the sum of its proper divisors (7763955).

22220013 is an equidigital number, since it uses as much as digits as its factorization.

22220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89323.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22220013 is about 4713.8108786840. The cubic root of 22220013 is about 281.1349048076.

Adding to 22220013 its reverse (31002222), we get a palindrome (53222235).

The spelling of 22220013 in words is "twenty-two million, two hundred twenty thousand, thirteen".