2229678544 has 20 divisors (see below), whose sum is σ = 4336819524. Its totient is φ = 1110499328.

The previous prime is 2229678487. The next prime is 2229678587. The reversal of 2229678544 is 4458769222.

It can be written as a sum of positive squares in 2 ways, for example, as 2184627600 + 45050944 = 46740^2 + 6712^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 267007 + ... + 275230.

Almost surely, 2^2229678544 is an apocalyptic number.

It is an amenable number.

2229678544 is a deficient number, since it is larger than the sum of its proper divisors (2107140980).

2229678544 is a wasteful number, since it uses less digits than its factorization.

2229678544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542502 (or 542496 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The square root of 2229678544 is about 47219.4720851472. The cubic root of 2229678544 is about 1306.4137766643.

The spelling of 2229678544 in words is "two billion, two hundred twenty-nine million, six hundred seventy-eight thousand, five hundred forty-four".