2199006 has 12 divisors (see below), whose sum is σ = 4764552. Its totient is φ = 732996.

The previous prime is 2198981. The next prime is 2199061. The reversal of 2199006 is 6009912.

It is a happy number.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61066 + ... + 61101.

It is an arithmetic number, because the mean of its divisors is an integer number (397046).

2^2199006 is an apocalyptic number.

2199006 is an abundant number, since it is smaller than the sum of its proper divisors (2565546).

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

2199006 is a wasteful number, since it uses less digits than its factorization.

2199006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122175 (or 122172 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 2199006 is about 1482.9045822304. The cubic root of 2199006 is about 130.0395540389.

The spelling of 2199006 in words is "two million, one hundred ninety-nine thousand, six".