2218951382 has 16 divisors (see below), whose sum is σ = 3406399920. Its totient is φ = 1083785472.

The previous prime is 2218951379. The next prime is 2218951391. The reversal of 2218951382 is 2831598122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60323 + ... + 89870.

It is an arithmetic number, because the mean of its divisors is an integer number (212899995).

Almost surely, 2^2218951382 is an apocalyptic number.

2218951382 is a deficient number, since it is larger than the sum of its proper divisors (1187448538).

2218951382 is a wasteful number, since it uses less digits than its factorization.

2218951382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150367.

The product of its digits is 69120, while the sum is 41.

The square root of 2218951382 is about 47105.7468043974. The cubic root of 2218951382 is about 1304.3153206842.

The spelling of 2218951382 in words is "two billion, two hundred eighteen million, nine hundred fifty-one thousand, three hundred eighty-two".