2199000 has 64 divisors (see below), whose sum is σ = 6870240. Its totient is φ = 585600.

The previous prime is 2198981. The next prime is 2199061. The reversal of 2199000 is 9912.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2634 + ... + 3366.

2^2199000 is an apocalyptic number.

2199000 is a gapful number since it is divisible by the number (20) 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 2199000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3435120).

2199000 is an abundant number, since it is smaller than the sum of its proper divisors (4671240).

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

2199000 is a wasteful number, since it uses less digits than its factorization.

2199000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 2199000 is about 1482.9025591724. The cubic root of 2199000 is about 130.0394357676.

The spelling of 2199000 in words is "two million, one hundred ninety-nine thousand".