2189628122 has 16 divisors (see below), whose sum is σ = 3706581600. Its totient is φ = 960965040.

The previous prime is 2189628041. The next prime is 2189628127. The reversal of 2189628122 is 2218269812.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2189628122.

It is not an unprimeable number, because it can be changed into a prime (2189628127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715372 + ... + 1716647.

It is an arithmetic number, because the mean of its divisors is an integer number (231661350).

Almost surely, 2^2189628122 is an apocalyptic number.

2189628122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2189628122 is a deficient number, since it is larger than the sum of its proper divisors (1516953478).

2189628122 is a wasteful number, since it uses less digits than its factorization.

2189628122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432061.

The product of its digits is 55296, while the sum is 41.

The square root of 2189628122 is about 46793.4623852521. The cubic root of 2189628122 is about 1298.5443513459.

The spelling of 2189628122 in words is "two billion, one hundred eighty-nine million, six hundred twenty-eight thousand, one hundred twenty-two".