2219684782812 has 24 divisors (see below), whose sum is σ = 5919159421056. Its totient is φ = 634195652208.

The previous prime is 2219684782807. The next prime is 2219684782823. The reversal of 2219684782812 is 2182874869122.

It is a happy number.

It is a super-2 number, since 2×2219684782812² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13212409338 + ... + 13212409505.

It is an arithmetic number, because the mean of its divisors is an integer number (246631642544).

Almost surely, 2^{2219684782812} is an apocalyptic number.

It is an amenable number.

2219684782812 is an abundant number, since it is smaller than the sum of its proper divisors (3699474638244).

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

2219684782812 is a wasteful number, since it uses less digits than its factorization.

2219684782812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26424818857 (or 26424818855 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 60.

The spelling of 2219684782812 in words is "two trillion, two hundred nineteen billion, six hundred eighty-four million, seven hundred eighty-two thousand, eight hundred twelve".