2188294134 has 24 divisors (see below), whose sum is σ = 4739148072. Its totient is φ = 673320960.

The previous prime is 2188294109. The next prime is 2188294139. The reversal of 2188294134 is 4314928812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188294139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078027 + ... + 1080054.

It is an arithmetic number, because the mean of its divisors is an integer number (197464503).

Almost surely, 2^2188294134 is an apocalyptic number.

2188294134 is an abundant number, since it is smaller than the sum of its proper divisors (2550853938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2188294134 is a wasteful number, since it uses less digits than its factorization.

2188294134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158112 (or 2158099 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 2188294134 is about 46779.2062138724. The cubic root of 2188294134 is about 1298.2805935473.

The spelling of 2188294134 in words is "two billion, one hundred eighty-eight million, two hundred ninety-four thousand, one hundred thirty-four".