2219248744 has 8 divisors (see below), whose sum is σ = 4161091410. Its totient is φ = 1109624368.

The previous prime is 2219248727. The next prime is 2219248753. The reversal of 2219248744 is 4478429122.

It can be written as a sum of positive squares in only one way, i.e., 2010446244 + 208802500 = 44838^2 + 14450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2219248744.

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 as a sum of consecutive naturals, namely, 138703039 + ... + 138703054.

Almost surely, 2^2219248744 is an apocalyptic number.

It is an amenable number.

2219248744 is a deficient number, since it is larger than the sum of its proper divisors (1941842666).

2219248744 is a wasteful number, since it uses less digits than its factorization.

2219248744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277406099 (or 277406095 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 2219248744 is about 47108.9030226771. The cubic root of 2219248744 is about 1304.3735819109.

The spelling of 2219248744 in words is "two billion, two hundred nineteen million, two hundred forty-eight thousand, seven hundred forty-four".