3726221118 has 8 divisors (see below), whose sum is σ = 7452442248. Its totient is φ = 1242073704.

The previous prime is 3726221113. The next prime is 3726221131. The reversal of 3726221118 is 8111226273.

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

3726221118 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3726221113) 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, 310518421 + ... + 310518432.

It is an arithmetic number, because the mean of its divisors is an integer number (931555281).

Almost surely, 2^3726221118 is an apocalyptic number.

3726221118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3726221118 is a wasteful number, since it uses less digits than its factorization.

3726221118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621036858.

The product of its digits is 8064, while the sum is 33.

The square root of 3726221118 is about 61042.7810473933. The cubic root of 3726221118 is about 1550.3254423131.

The spelling of 3726221118 in words is "three billion, seven hundred twenty-six million, two hundred twenty-one thousand, one hundred eighteen".