2199530 has 8 divisors (see below), whose sum is σ = 3959172. Its totient is φ = 879808.

The previous prime is 2199529. The next prime is 2199577. The reversal of 2199530 is 359912.

It can be written as a sum of positive squares in 2 ways, for example, as 1940449 + 259081 = 1393^2 + 509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2199493 and 2199502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109967 + ... + 109986.

2^2199530 is an apocalyptic number.

2199530 is a deficient number, since it is larger than the sum of its proper divisors (1759642).

2199530 is a wasteful number, since it uses less digits than its factorization.

2199530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219960.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 2199530 is about 1483.0812519886. The cubic root of 2199530 is about 130.0498822379.

The spelling of 2199530 in words is "two million, one hundred ninety-nine thousand, five hundred thirty".