22020213 has 4 divisors (see below), whose sum is σ = 29360288. Its totient is φ = 14680140.

The previous prime is 22020211. The next prime is 22020227. The reversal of 22020213 is 31202022.

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 not a de Polignac number, because 22020213 - 2¹ = 22020211 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 (22020211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3670033 + ... + 3670038.

It is an arithmetic number, because the mean of its divisors is an integer number (7340072).

Almost surely, 2^22020213 is an apocalyptic number.

It is an amenable number.

22020213 is a deficient number, since it is larger than the sum of its proper divisors (7340075).

22020213 is an equidigital number, since it uses as much as digits as its factorization.

22020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340074.

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

The square root of 22020213 is about 4692.5699781676. The cubic root of 22020213 is about 280.2897213748.

Adding to 22020213 its reverse (31202022), we get a palindrome (53222235).

The spelling of 22020213 in words is "twenty-two million, twenty thousand, two hundred thirteen".