3722188856 has 8 divisors (see below), whose sum is σ = 6979104120. Its totient is φ = 1861094424.

The previous prime is 3722188853. The next prime is 3722188909. The reversal of 3722188856 is 6588812273.

It is a happy number.

3722188856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722188853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232636796 + ... + 232636811.

It is an arithmetic number, because the mean of its divisors is an integer number (872388015).

Almost surely, 2^3722188856 is an apocalyptic number.

It is an amenable number.

3722188856 is a deficient number, since it is larger than the sum of its proper divisors (3256915264).

3722188856 is a wasteful number, since it uses less digits than its factorization.

3722188856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465273613 (or 465273609 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 50.

The square root of 3722188856 is about 61009.7439430785. The cubic root of 3722188856 is about 1549.7660217058.

The spelling of 3722188856 in words is "three billion, seven hundred twenty-two million, one hundred eighty-eight thousand, eight hundred fifty-six".