422626349 has 2 divisors, whose sum is σ = 422626350. Its totient is φ = 422626348.

The previous prime is 422626333. The next prime is 422626387. The reversal of 422626349 is 943626224.

It is an a-pointer prime, because the next prime (422626387) can be obtained adding 422626349 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422590249 + 36100 = 20557^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 422626349 - 2⁴ = 422626333 is a prime.

It is a super-2 number, since 2×422626349² = 357226061738139602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422626249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211313174 + 211313175.

It is an arithmetic number, because the mean of its divisors is an integer number (211313175).

Almost surely, 2^422626349 is an apocalyptic number.

It is an amenable number.

422626349 is a deficient number, since it is larger than the sum of its proper divisors (1).

422626349 is an equidigital number, since it uses as much as digits as its factorization.

422626349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 38.

The square root of 422626349 is about 20557.8780276565. The cubic root of 422626349 is about 750.4449797903. Note that the first 3 decimals are identical.

The spelling of 422626349 in words is "four hundred twenty-two million, six hundred twenty-six thousand, three hundred forty-nine".