2182031964 has 72 divisors (see below), whose sum is σ = 6437803008. Its totient is φ = 610169760.

The previous prime is 2182031963. The next prime is 2182031981. The reversal of 2182031964 is 4691302812.

It is a super-2 number, since 2×2182031964² = 9522526983835394592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182031963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80272 + ... + 103959.

Almost surely, 2^2182031964 is an apocalyptic number.

It is an amenable number.

2182031964 is an abundant number, since it is smaller than the sum of its proper divisors (4255771044).

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

2182031964 is a wasteful number, since it uses less digits than its factorization.

2182031964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184295 (or 184290 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2182031964 is about 46712.2249951766. The cubic root of 2182031964 is about 1297.0409946011.

The spelling of 2182031964 in words is "two billion, one hundred eighty-two million, thirty-one thousand, nine hundred sixty-four".