2182463221 has 4 divisors (see below), whose sum is σ = 2182610944. Its totient is φ = 2182315500.

The previous prime is 2182463201. The next prime is 2182463263. The reversal of 2182463221 is 1223642812.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2182463221 - 2²⁹ = 1645592309 is a prime.

It is a super-2 number, since 2×2182463221² = 9526291422035389682, 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 (2182463201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48885 + ... + 82186.

It is an arithmetic number, because the mean of its divisors is an integer number (545652736).

Almost surely, 2^2182463221 is an apocalyptic number.

It is an amenable number.

2182463221 is a deficient number, since it is larger than the sum of its proper divisors (147723).

2182463221 is a wasteful number, since it uses less digits than its factorization.

2182463221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147722.

The product of its digits is 9216, while the sum is 31.

The square root of 2182463221 is about 46716.8408713603. The cubic root of 2182463221 is about 1297.1264380732.

The spelling of 2182463221 in words is "two billion, one hundred eighty-two million, four hundred sixty-three thousand, two hundred twenty-one".