2199288 has 128 divisors (see below), whose sum is σ = 7257600. Its totient is φ = 539136.

The previous prime is 2199277. The next prime is 2199299. The reversal of 2199288 is 8829912.

2199288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 1483²-1.

It is an interprime number because it is at equal distance from previous prime (2199277) and next prime (2199299).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41470 + ... + 41522.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

2^2199288 is an apocalyptic number.

2199288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2199288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3628800).

2199288 is an abundant number, since it is smaller than the sum of its proper divisors (5058312).

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

2199288 is a wasteful number, since it uses less digits than its factorization.

2199288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 97 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 2199288 is about 1482.9996628455. Note that the first 3 decimals coincide. The cubic root of 2199288 is about 130.0451125484.

The spelling of 2199288 in words is "two million, one hundred ninety-nine thousand, two hundred eighty-eight".