441662101 has 2 divisors, whose sum is σ = 441662102. Its totient is φ = 441662100.

The previous prime is 441662099. The next prime is 441662119. The reversal of 441662101 is 101266144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263412900 + 178249201 = 16230^2 + 13351^2 .

It is a cyclic number.

It is not a de Polignac number, because 441662101 - 2¹ = 441662099 is a prime.

It is a super-2 number, since 2×441662101² = 390130822919468402, which contains 22 as substring.

Together with 441662099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441662801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220831050 + 220831051.

It is an arithmetic number, because the mean of its divisors is an integer number (220831051).

Almost surely, 2^441662101 is an apocalyptic number.

It is an amenable number.

441662101 is a deficient number, since it is larger than the sum of its proper divisors (1).

441662101 is an equidigital number, since it uses as much as digits as its factorization.

441662101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 441662101 is about 21015.7583969744. The cubic root of 441662101 is about 761.5469995294.

The spelling of 441662101 in words is "four hundred forty-one million, six hundred sixty-two thousand, one hundred one".