2158202 has 4 divisors (see below), whose sum is σ = 3237306. Its totient is φ = 1079100.

The previous prime is 2158183. The next prime is 2158223. The reversal of 2158202 is 2028512.

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

It can be written as a sum of positive squares in only one way, i.e., 1990921 + 167281 = 1411^2 + 409^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539549 + ... + 539552.

2^2158202 is an apocalyptic number.

2158202 is a deficient number, since it is larger than the sum of its proper divisors (1079104).

2158202 is a wasteful number, since it uses less digits than its factorization.

2158202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079103.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2158202 is about 1469.0820263008. The cubic root of 2158202 is about 129.2302040973.

The spelling of 2158202 in words is "two million, one hundred fifty-eight thousand, two hundred two".