2213887684 has 6 divisors (see below), whose sum is σ = 3874303454. Its totient is φ = 1106943840.

The previous prime is 2213887667. The next prime is 2213887699. The reversal of 2213887684 is 4867883122.

It can be written as a sum of positive squares in only one way, i.e., 2112321600 + 101566084 = 45960^2 + 10078^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 276735957 + ... + 276735964.

Almost surely, 2^2213887684 is an apocalyptic number.

It is an amenable number.

2213887684 is a deficient number, since it is larger than the sum of its proper divisors (1660415770).

2213887684 is a wasteful number, since it uses less digits than its factorization.

2213887684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553471925 (or 553471923 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 49.

The square root of 2213887684 is about 47051.9679078357. The cubic root of 2213887684 is about 1303.3224058465.

The spelling of 2213887684 in words is "two billion, two hundred thirteen million, eight hundred eighty-seven thousand, six hundred eighty-four".