3822381000 has 96 divisors (see below), whose sum is σ = 12919678200. Its totient is φ = 1019299200.

The previous prime is 3822380977. The next prime is 3822381007. The reversal of 3822381000 is 1832283.

It can be written as a sum of positive squares in 4 ways, for example, as 2319578244 + 1502802756 = 48162^2 + 38766^2 .

It is a super-2 number, since 2×3822381000² = 29221193018322000000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3822381007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203355 + ... + 221354.

Almost surely, 2^3822381000 is an apocalyptic number.

3822381000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3822381000 is an abundant number, since it is smaller than the sum of its proper divisors (9097297200).

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

3822381000 is a wasteful number, since it uses less digits than its factorization.

3822381000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424736 (or 424719 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 3822381000 is about 61825.4073985768. The cubic root of 3822381000 is about 1563.5483822819.

The spelling of 3822381000 in words is "three billion, eight hundred twenty-two million, three hundred eighty-one thousand".