2188274841 has 27 divisors (see below), whose sum is σ = 3272599317. Its totient is φ = 1408983480.

The previous prime is 2188274819. The next prime is 2188274843. The reversal of 2188274841 is 1484728812.

The square root of 2188274841 is 46779.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2188274841 - 2⁹ = 2188274329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2188274843) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4350196 + ... + 4350698.

Almost surely, 2^2188274841 is an apocalyptic number.

2188274841 is the 46779-th square number.

2188274841 is the 23390-th centered octagonal number.

It is an amenable number.

2188274841 is a deficient number, since it is larger than the sum of its proper divisors (1084324476).

2188274841 is an frugal number, since it uses more digits than its factorization.

2188274841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074 (or 537 counting only the distinct ones).

The product of its digits is 229376, while the sum is 45.

The cubic root of 2188274841 is about 1298.2767781246.

The spelling of 2188274841 in words is "two billion, one hundred eighty-eight million, two hundred seventy-four thousand, eight hundred forty-one".