2188992255 has 16 divisors (see below), whose sum is σ = 3587812704. Its totient is φ = 1138987520.

The previous prime is 2188992251. The next prime is 2188992257. The reversal of 2188992255 is 5522998812.

It is not a de Polignac number, because 2188992255 - 2² = 2188992251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2188992198 and 2188992207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188992251) 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, 1779054 + ... + 1780283.

It is an arithmetic number, because the mean of its divisors is an integer number (224238294).

Almost surely, 2^2188992255 is an apocalyptic number.

2188992255 is a deficient number, since it is larger than the sum of its proper divisors (1398820449).

2188992255 is a wasteful number, since it uses less digits than its factorization.

2188992255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559386.

The product of its digits is 1036800, while the sum is 51.

The square root of 2188992255 is about 46786.6674919255. The cubic root of 2188992255 is about 1298.4186402821.

The spelling of 2188992255 in words is "two billion, one hundred eighty-eight million, nine hundred ninety-two thousand, two hundred fifty-five".