220409107 has 2 divisors, whose sum is σ = 220409108. Its totient is φ = 220409106.

The previous prime is 220409087. The next prime is 220409141. The reversal of 220409107 is 701904022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220409107 is a prime.

It is equal to p_12143770 and since 220409107 and 12143770 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (220409197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110204553 + 110204554.

It is an arithmetic number, because the mean of its divisors is an integer number (110204554).

Almost surely, 2^220409107 is an apocalyptic number.

220409107 is a deficient number, since it is larger than the sum of its proper divisors (1).

220409107 is an equidigital number, since it uses as much as digits as its factorization.

220409107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 220409107 is about 14846.1815629474. The cubic root of 220409107 is about 604.0550391711.

The spelling of 220409107 in words is "two hundred twenty million, four hundred nine thousand, one hundred seven".