2182208381 has 8 divisors (see below), whose sum is σ = 2193609600. Its totient is φ = 2170826560.

The previous prime is 2182208339. The next prime is 2182208393. The reversal of 2182208381 is 1838022812.

2182208381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2182208381 - 2¹⁸ = 2181946237 is a prime.

It is a super-2 number, since 2×2182208381² = 9524066836213282322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182208081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256565 + ... + 264933.

It is an arithmetic number, because the mean of its divisors is an integer number (274201200).

Almost surely, 2^2182208381 is an apocalyptic number.

It is an amenable number.

2182208381 is a deficient number, since it is larger than the sum of its proper divisors (11401219).

2182208381 is a wasteful number, since it uses less digits than its factorization.

2182208381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9699.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 2182208381 is about 46714.1132956626. The cubic root of 2182208381 is about 1297.0759488576.

The spelling of 2182208381 in words is "two billion, one hundred eighty-two million, two hundred eight thousand, three hundred eighty-one".