4410221665 has 8 divisors (see below), whose sum is σ = 5462984448. Its totient is φ = 3414365040.

The previous prime is 4410221633. The next prime is 4410221707. The reversal of 4410221665 is 5661220144.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4410221665 - 2⁵ = 4410221633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14226367 + ... + 14226676.

It is an arithmetic number, because the mean of its divisors is an integer number (682873056).

Almost surely, 2^4410221665 is an apocalyptic number.

It is an amenable number.

4410221665 is a deficient number, since it is larger than the sum of its proper divisors (1052762783).

4410221665 is a wasteful number, since it uses less digits than its factorization.

4410221665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28453079.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 4410221665 is about 66409.4998098917. The cubic root of 4410221665 is about 1639.9104731269.

The spelling of 4410221665 in words is "four billion, four hundred ten million, two hundred twenty-one thousand, six hundred sixty-five".