4220447135 has 8 divisors (see below), whose sum is σ = 5188062096. Its totient is φ = 3294007360.

The previous prime is 4220447113. The next prime is 4220447137. The reversal of 4220447135 is 5317440224.

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

It is not a de Polignac number, because 4220447135 - 2²⁰ = 4219398559 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 (4220447137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10293569 + ... + 10293978.

It is an arithmetic number, because the mean of its divisors is an integer number (648507762).

Almost surely, 2^4220447135 is an apocalyptic number.

4220447135 is a deficient number, since it is larger than the sum of its proper divisors (967614961).

4220447135 is a wasteful number, since it uses less digits than its factorization.

4220447135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20587593.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 4220447135 is about 64964.9685215040. The cubic root of 4220447135 is about 1616.0426620471.

Adding to 4220447135 its reverse (5317440224), we get a palindrome (9537887359).

The spelling of 4220447135 in words is "four billion, two hundred twenty million, four hundred forty-seven thousand, one hundred thirty-five".