2187389222223 has 16 divisors (see below), whose sum is σ = 2966017616640. Its totient is φ = 1433511257024.

The previous prime is 2187389222201. The next prime is 2187389222309. The reversal of 2187389222223 is 3222229837812.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2187389222223 - 2⁶ = 2187389222159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187389222323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9871990 + ... + 10091132.

It is an arithmetic number, because the mean of its divisors is an integer number (185376101040).

Almost surely, 2^{2187389222223} is an apocalyptic number.

2187389222223 is a deficient number, since it is larger than the sum of its proper divisors (778628394417).

2187389222223 is a wasteful number, since it uses less digits than its factorization.

2187389222223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275598.

The product of its digits is 2322432, while the sum is 51.

The spelling of 2187389222223 in words is "two trillion, one hundred eighty-seven billion, three hundred eighty-nine million, two hundred twenty-two thousand, two hundred twenty-three".