2188122 has 8 divisors (see below), whose sum is σ = 4376256. Its totient is φ = 729372.

The previous prime is 2188117. The next prime is 2188127. The reversal of 2188122 is 2218812.

It is an interprime number because it is at equal distance from previous prime (2188117) and next prime (2188127).

It is a sphenic number, since it is the product of 3 distinct primes.

2188122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2188092 and 2188101.

It is not an unprimeable number, because it can be changed into a prime (2188127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182338 + ... + 182349.

It is an arithmetic number, because the mean of its divisors is an integer number (547032).

2^2188122 is an apocalyptic number.

2188122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2188122 is a wasteful number, since it uses less digits than its factorization.

2188122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364692.

The product of its digits is 512, while the sum is 24.

The square root of 2188122 is about 1479.2302052081. The cubic root of 2188122 is about 129.8246551187.

The spelling of 2188122 in words is "two million, one hundred eighty-eight thousand, one hundred twenty-two".