3222020213 has 4 divisors (see below), whose sum is σ = 3222133740. Its totient is φ = 3221906688.

The previous prime is 3222020177. The next prime is 3222020233. The reversal of 3222020213 is 3120202223.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3120202223 = 173 ⋅18035851.

It can be written as a sum of positive squares in 2 ways, for example, as 458730724 + 2763289489 = 21418^2 + 52567^2 .

It is a cyclic number.

It is not a de Polignac number, because 3222020213 - 2¹⁸ = 3221758069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3222020191 and 3222020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222020233) 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, 28181 + ... + 85077.

It is an arithmetic number, because the mean of its divisors is an integer number (805533435).

Almost surely, 2^3222020213 is an apocalyptic number.

It is an amenable number.

3222020213 is a deficient number, since it is larger than the sum of its proper divisors (113527).

3222020213 is an equidigital number, since it uses as much as digits as its factorization.

3222020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113526.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3222020213 is about 56762.8418333684. The cubic root of 3222020213 is about 1476.9850073051.

Adding to 3222020213 its reverse (3120202223), we get a palindrome (6342222436).

The spelling of 3222020213 in words is "three billion, two hundred twenty-two million, twenty thousand, two hundred thirteen".