4227181536 has 24 divisors (see below), whose sum is σ = 11096351784. Its totient is φ = 1409060480.

The previous prime is 4227181531. The next prime is 4227181537. The reversal of 4227181536 is 6351817224.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 4227181494 and 4227181503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4227181531) 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, 22016475 + ... + 22016666.

It is an arithmetic number, because the mean of its divisors is an integer number (462347991).

Almost surely, 2^4227181536 is an apocalyptic number.

It is an amenable number.

4227181536 is an abundant number, since it is smaller than the sum of its proper divisors (6869170248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4227181536 is a wasteful number, since it uses less digits than its factorization.

4227181536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44033154 (or 44033146 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 4227181536 is about 65016.7788805321. The cubic root of 4227181536 is about 1616.9017571090.

The spelling of 4227181536 in words is "four billion, two hundred twenty-seven million, one hundred eighty-one thousand, five hundred thirty-six".