422626109 has 2 divisors, whose sum is σ = 422626110. Its totient is φ = 422626108.

The previous prime is 422626097. The next prime is 422626121. The reversal of 422626109 is 901626224.

It is a balanced prime because it is at equal distance from previous prime (422626097) and next prime (422626121).

It can be written as a sum of positive squares in only one way, i.e., 324180025 + 98446084 = 18005^2 + 9922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422626109 is a prime.

It is a super-3 number, since 3×422626109³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422626129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211313054 + 211313055.

It is an arithmetic number, because the mean of its divisors is an integer number (211313055).

Almost surely, 2^422626109 is an apocalyptic number.

It is an amenable number.

422626109 is a deficient number, since it is larger than the sum of its proper divisors (1).

422626109 is an equidigital number, since it uses as much as digits as its factorization.

422626109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 422626109 is about 20557.8721904773. The cubic root of 422626109 is about 750.4448377367. Note that the first 3 decimals are identical.

The spelling of 422626109 in words is "four hundred twenty-two million, six hundred twenty-six thousand, one hundred nine".