2187389222224 has 20 divisors (see below), whose sum is σ = 4238119782036. Its totient is φ = 1093680891392.

The previous prime is 2187389222201. The next prime is 2187389222309. The reversal of 2187389222224 is 4222229837812.

It can be written as a sum of positive squares in 2 ways, for example, as 1817287332624 + 370101889600 = 1348068^2 + 608360^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525432 + ... + 2156584.

Almost surely, 2^{2187389222224} is an apocalyptic number.

It is an amenable number.

2187389222224 is a deficient number, since it is larger than the sum of its proper divisors (2050730559812).

2187389222224 is a wasteful number, since it uses less digits than its factorization.

2187389222224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714974 (or 1714968 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 52.

The spelling of 2187389222224 in words is "two trillion, one hundred eighty-seven billion, three hundred eighty-nine million, two hundred twenty-two thousand, two hundred twenty-four".