422103509 has 2 divisors, whose sum is σ = 422103510. Its totient is φ = 422103508.

The previous prime is 422103503. The next prime is 422103571. The reversal of 422103509 is 905301224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 390181009 + 31922500 = 19753^2 + 5650^2 .

It is a cyclic number.

It is not a de Polignac number, because 422103509 - 2²⁴ = 405326293 is a prime.

It is a super-2 number, since 2×422103509² = 356342744620226162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422103503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211051754 + 211051755.

It is an arithmetic number, because the mean of its divisors is an integer number (211051755).

Almost surely, 2^422103509 is an apocalyptic number.

It is an amenable number.

422103509 is a deficient number, since it is larger than the sum of its proper divisors (1).

422103509 is an equidigital number, since it uses as much as digits as its factorization.

422103509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 422103509 is about 20545.1577993453. The cubic root of 422103509 is about 750.1353882993.

The spelling of 422103509 in words is "four hundred twenty-two million, one hundred three thousand, five hundred nine".