2199956 has 12 divisors (see below), whose sum is σ = 4200000. Its totient is φ = 999960.

The previous prime is 2199941. The next prime is 2199959. The reversal of 2199956 is 6599912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199959) 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, 24956 + ... + 25043.

It is an arithmetic number, because the mean of its divisors is an integer number (350000).

2^2199956 is an apocalyptic number.

It is an amenable number.

2199956 is a deficient number, since it is larger than the sum of its proper divisors (2000044).

2199956 is a wasteful number, since it uses less digits than its factorization.

2199956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50014 (or 50012 counting only the distinct ones).

The product of its digits is 43740, while the sum is 41.

The square root of 2199956 is about 1483.2248649480. The cubic root of 2199956 is about 130.0582776184.

The spelling of 2199956 in words is "two million, one hundred ninety-nine thousand, nine hundred fifty-six".