2199079 has 4 divisors (see below), whose sum is σ = 2314840. Its totient is φ = 2083320.

The previous prime is 2199077. The next prime is 2199121. The reversal of 2199079 is 9709912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2199079 - 2¹ = 2199077 is a prime.

It is a Duffinian number.

2199079 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199077) 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, 57852 + ... + 57889.

It is an arithmetic number, because the mean of its divisors is an integer number (578710).

2^2199079 is an apocalyptic number.

2199079 is a deficient number, since it is larger than the sum of its proper divisors (115761).

2199079 is a wasteful number, since it uses less digits than its factorization.

2199079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115760.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 2199079 is about 1482.9291958823. The cubic root of 2199079 is about 130.0409929895.

The spelling of 2199079 in words is "two million, one hundred ninety-nine thousand, seventy-nine".