221404220039 has 2 divisors, whose sum is σ = 221404220040. Its totient is φ = 221404220038.

The previous prime is 221404219987. The next prime is 221404220057. The reversal of 221404220039 is 930022404122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221404220039 - 2¹² = 221404215943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221404219993 and 221404220020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221404220069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110702110019 + 110702110020.

It is an arithmetic number, because the mean of its divisors is an integer number (110702110020).

Almost surely, 2^221404220039 is an apocalyptic number.

221404220039 is a deficient number, since it is larger than the sum of its proper divisors (1).

221404220039 is an equidigital number, since it uses as much as digits as its factorization.

221404220039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 221404220039 in words is "two hundred twenty-one billion, four hundred four million, two hundred twenty thousand, thirty-nine".