2241765917 has 4 divisors (see below), whose sum is σ = 2319068220. Its totient is φ = 2164463616.

The previous prime is 2241765871. The next prime is 2241765919. The reversal of 2241765917 is 7195671422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1217381881 + 1024384036 = 34891^2 + 32006^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241765917 - 2¹⁰ = 2241764893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241765919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38651108 + ... + 38651165.

It is an arithmetic number, because the mean of its divisors is an integer number (579767055).

Almost surely, 2^2241765917 is an apocalyptic number.

It is an amenable number.

2241765917 is a deficient number, since it is larger than the sum of its proper divisors (77302303).

2241765917 is an equidigital number, since it uses as much as digits as its factorization.

2241765917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77302302.

The product of its digits is 211680, while the sum is 44.

The square root of 2241765917 is about 47347.2904926987. The cubic root of 2241765917 is about 1308.7702689748.

The spelling of 2241765917 in words is "two billion, two hundred forty-one million, seven hundred sixty-five thousand, nine hundred seventeen".