3683221900 has 36 divisors (see below), whose sum is σ = 8038829232. Its totient is φ = 1464765760.

The previous prime is 3683221859. The next prime is 3683221901. The reversal of 3683221900 is 91223863.

It is a happy number.

It is a super-2 number, since 2×3683221900² = 27132247129279220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3683221901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89152 + ... + 123751.

It is an arithmetic number, because the mean of its divisors is an integer number (223300812).

Almost surely, 2^3683221900 is an apocalyptic number.

It is an amenable number.

3683221900 is an abundant number, since it is smaller than the sum of its proper divisors (4355607332).

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

3683221900 is a wasteful number, since it uses less digits than its factorization.

3683221900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213090 (or 213083 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 3683221900 is about 60689.5534668035. The cubic root of 3683221900 is about 1544.3389609690.

The spelling of 3683221900 in words is "three billion, six hundred eighty-three million, two hundred twenty-one thousand, nine hundred".