3822875644 has 12 divisors (see below), whose sum is σ = 7645751344. Its totient is φ = 1638375264.

The previous prime is 3822875627. The next prime is 3822875647. The reversal of 3822875644 is 4465782283.

3822875644 is an admirable number.

It is a super-2 number, since 2×3822875644² = 29228756378976829472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3822875647) 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, 68265609 + ... + 68265664.

Almost surely, 2^3822875644 is an apocalyptic number.

It is an amenable number.

3822875644 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.

3822875644 is a wasteful number, since it uses less digits than its factorization.

3822875644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136531284 (or 136531282 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 49.

The square root of 3822875644 is about 61829.4075986500. The cubic root of 3822875644 is about 1563.6158242303.

The spelling of 3822875644 in words is "three billion, eight hundred twenty-two million, eight hundred seventy-five thousand, six hundred forty-four".