4221279065 has 8 divisors (see below), whose sum is σ = 5065968960. Its totient is φ = 3376733872.

The previous prime is 4221279047. The next prime is 4221279071. The reversal of 4221279065 is 5609721224.

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

It is a cyclic number.

It is not a de Polignac number, because 4221279065 - 2¹⁴ = 4221262681 is a prime.

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, 44276 + ... + 101994.

It is an arithmetic number, because the mean of its divisors is an integer number (633246120).

Almost surely, 2^4221279065 is an apocalyptic number.

It is an amenable number.

4221279065 is a deficient number, since it is larger than the sum of its proper divisors (844689895).

4221279065 is a wasteful number, since it uses less digits than its factorization.

4221279065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72351.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 4221279065 is about 64971.3711183626. The cubic root of 4221279065 is about 1616.1488392680.

The spelling of 4221279065 in words is "four billion, two hundred twenty-one million, two hundred seventy-nine thousand, sixty-five".