223100422009 has 2 divisors, whose sum is σ = 223100422010. Its totient is φ = 223100422008.

The previous prime is 223100422007. The next prime is 223100422037. The reversal of 223100422009 is 900224001322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202536001600 + 20564420409 = 450040^2 + 143403^2 .

It is a cyclic number.

It is not a de Polignac number, because 223100422009 - 2¹ = 223100422007 is a prime.

It is a super-3 number, since 3×223100422009³ (a number of 35 digits) contains 333 as substring.

Together with 223100422007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (223100422007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111550211004 + 111550211005.

It is an arithmetic number, because the mean of its divisors is an integer number (111550211005).

Almost surely, 2^223100422009 is an apocalyptic number.

It is an amenable number.

223100422009 is a deficient number, since it is larger than the sum of its proper divisors (1).

223100422009 is an equidigital number, since it uses as much as digits as its factorization.

223100422009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 223100422009 in words is "two hundred twenty-three billion, one hundred million, four hundred twenty-two thousand, nine".