564122213 has 2 divisors, whose sum is σ = 564122214. Its totient is φ = 564122212.

The previous prime is 564122191. The next prime is 564122227. The reversal of 564122213 is 312221465.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417058084 + 147064129 = 20422^2 + 12127^2 .

It is a cyclic number.

It is not a de Polignac number, because 564122213 - 2⁶ = 564122149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564122263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282061106 + 282061107.

It is an arithmetic number, because the mean of its divisors is an integer number (282061107).

Almost surely, 2^564122213 is an apocalyptic number.

It is an amenable number.

564122213 is a deficient number, since it is larger than the sum of its proper divisors (1).

564122213 is an equidigital number, since it uses as much as digits as its factorization.

564122213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 564122213 is about 23751.2570825209. The cubic root of 564122213 is about 826.2745956823.

Adding to 564122213 its reverse (312221465), we get a palindrome (876343678).

The spelling of 564122213 in words is "five hundred sixty-four million, one hundred twenty-two thousand, two hundred thirteen".