22040422213 has 2 divisors, whose sum is σ = 22040422214. Its totient is φ = 22040422212.

The previous prime is 22040422207. The next prime is 22040422277. The reversal of 22040422213 is 31222404022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15423901249 + 6616520964 = 124193^2 + 81342^2 .

It is a cyclic number.

It is not a de Polignac number, because 22040422213 - 2²¹ = 22038325061 is a prime.

It is a super-2 number, since 2×22040422213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22040423213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11020211106 + 11020211107.

It is an arithmetic number, because the mean of its divisors is an integer number (11020211107).

Almost surely, 2^22040422213 is an apocalyptic number.

It is an amenable number.

22040422213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22040422213 is an equidigital number, since it uses as much as digits as its factorization.

22040422213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22040422213 its reverse (31222404022), we get a palindrome (53262826235).

The spelling of 22040422213 in words is "twenty-two billion, forty million, four hundred twenty-two thousand, two hundred thirteen".