40422242213 has 2 divisors, whose sum is σ = 40422242214. Its totient is φ = 40422242212.

The previous prime is 40422242177. The next prime is 40422242219. The reversal of 40422242213 is 31224222404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39679843204 + 742399009 = 199198^2 + 27247^2 .

It is a cyclic number.

It is not a de Polignac number, because 40422242213 - 2¹² = 40422238117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40422242219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211121106 + 20211121107.

It is an arithmetic number, because the mean of its divisors is an integer number (20211121107).

Almost surely, 2^40422242213 is an apocalyptic number.

It is an amenable number.

40422242213 is a deficient number, since it is larger than the sum of its proper divisors (1).

40422242213 is an equidigital number, since it uses as much as digits as its factorization.

40422242213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 40422242213 its reverse (31224222404), we get a palindrome (71646464617).

The spelling of 40422242213 in words is "forty billion, four hundred twenty-two million, two hundred forty-two thousand, two hundred thirteen".