2166202 has 16 divisors (see below), whose sum is σ = 3391272. Its totient is φ = 1036800.

The previous prime is 2166179. The next prime is 2166221. The reversal of 2166202 is 2026612.

It can be written as a sum of positive squares in 4 ways, for example, as 2070721 + 95481 = 1439^2 + 309^2 .

It is a super-2 number, since 2×2166202² = 9384862209608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2166202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5202 + ... + 5602.

2^2166202 is an apocalyptic number.

2166202 is a deficient number, since it is larger than the sum of its proper divisors (1225070).

2166202 is a wasteful number, since it uses less digits than its factorization.

2166202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2166202 is about 1471.8022965059. The cubic root of 2166202 is about 129.3896835847.

The spelling of 2166202 in words is "two million, one hundred sixty-six thousand, two hundred two".