3644681122 has 8 divisors (see below), whose sum is σ = 5467290156. Its totient is φ = 1822251072.

The previous prime is 3644681087. The next prime is 3644681123. The reversal of 3644681122 is 2211864463.

It can be written as a sum of positive squares in 2 ways, for example, as 3613332321 + 31348801 = 60111^2 + 5599^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3644681123) 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, 33598 + ... + 91750.

Almost surely, 2^3644681122 is an apocalyptic number.

3644681122 is a deficient number, since it is larger than the sum of its proper divisors (1822609034).

3644681122 is a wasteful number, since it uses less digits than its factorization.

3644681122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89492.

The product of its digits is 55296, while the sum is 37.

The square root of 3644681122 is about 60371.1944721984. The cubic root of 3644681122 is about 1538.9334722056.

The spelling of 3644681122 in words is "three billion, six hundred forty-four million, six hundred eighty-one thousand, one hundred twenty-two".