4318221854 has 4 divisors (see below), whose sum is σ = 6477332784. Its totient is φ = 2159110926.

The previous prime is 4318221841. The next prime is 4318221877. The reversal of 4318221854 is 4581228134.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079555462 + ... + 1079555465.

It is an arithmetic number, because the mean of its divisors is an integer number (1619333196).

Almost surely, 2^4318221854 is an apocalyptic number.

4318221854 is a deficient number, since it is larger than the sum of its proper divisors (2159110930).

4318221854 is a wasteful number, since it uses less digits than its factorization.

4318221854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159110929.

The product of its digits is 61440, while the sum is 38.

The square root of 4318221854 is about 65713.1786934706. The cubic root of 4318221854 is about 1628.4270841604.

Adding to 4318221854 its reverse (4581228134), we get a palindrome (8899449988).

The spelling of 4318221854 in words is "four billion, three hundred eighteen million, two hundred twenty-one thousand, eight hundred fifty-four".