22202222213 has 2 divisors, whose sum is σ = 22202222214. Its totient is φ = 22202222212.

The previous prime is 22202222197. The next prime is 22202222239. The reversal of 22202222213 is 31222220222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21615468484 + 586753729 = 147022^2 + 24223^2 .

It is a cyclic number.

It is not a de Polignac number, because 22202222213 - 2⁴ = 22202222197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22202227213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101111106 + 11101111107.

It is an arithmetic number, because the mean of its divisors is an integer number (11101111107).

Almost surely, 2^22202222213 is an apocalyptic number.

It is an amenable number.

22202222213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202222213 is an equidigital number, since it uses as much as digits as its factorization.

22202222213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22202222213 its reverse (31222220222), we get a palindrome (53424442435).

The spelling of 22202222213 in words is "twenty-two billion, two hundred two million, two hundred twenty-two thousand, two hundred thirteen".