2189217192 has 48 divisors (see below), whose sum is σ = 5668328640. Its totient is φ = 704569152.

The previous prime is 2189217187. The next prime is 2189217193. The reversal of 2189217192 is 2917129812.

It is not an unprimeable number, because it can be changed into a prime (2189217193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34048 + ... + 74415.

It is an arithmetic number, because the mean of its divisors is an integer number (118090180).

Almost surely, 2^2189217192 is an apocalyptic number.

It is an amenable number.

2189217192 is an abundant number, since it is smaller than the sum of its proper divisors (3479111448).

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

2189217192 is a wasteful number, since it uses less digits than its factorization.

2189217192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108530 (or 108497 counting only the distinct ones).

The product of its digits is 36288, while the sum is 42.

The square root of 2189217192 is about 46789.0712880690. The cubic root of 2189217192 is about 1298.4631131652.

The spelling of 2189217192 in words is "two billion, one hundred eighty-nine million, two hundred seventeen thousand, one hundred ninety-two".