2202194 has 4 divisors (see below), whose sum is σ = 3303294.
Its totient is φ = 1101096.
The previous prime is 2202169. The next prime is 2202253. The reversal of 2202194 is 4912022.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4912022 = 2 ⋅2456011.
It can be written as a sum of positive squares in only one way, i.e., 2175625 + 26569 = 1475^2 + 163^2
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550547 + ... + 550550.
22202194 is an apocalyptic number.
2202194 is a deficient number, since it is larger than the sum of its proper divisors (1101100).
2202194 is a wasteful number, since it uses less digits than its factorization.
2202194 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1101099.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 2202194 is about 1483.9791103651.
The cubic root of 2202194 is about 130.1023651334.
The spelling of 2202194 in words is "two million, two hundred two thousand, one hundred ninety-four".