2192266 has 4 divisors (see below), whose sum is σ = 3288402. Its totient is φ = 1096132.

The previous prime is 2192261. The next prime is 2192273. The reversal of 2192266 is 6622912.

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., 2175625 + 16641 = 1475^2 + 129^2 .

It is not an unprimeable number, because it can be changed into a prime (2192261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548065 + ... + 548068.

2^2192266 is an apocalyptic number.

2192266 is a deficient number, since it is larger than the sum of its proper divisors (1096136).

2192266 is a wasteful number, since it uses less digits than its factorization.

2192266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096135.

The product of its digits is 2592, while the sum is 28.

The square root of 2192266 is about 1480.6302712021. The cubic root of 2192266 is about 129.9065600733.

It can be divided in two parts, 219 and 2266, that added together give a triangular number (2485 = T₇₀).

The spelling of 2192266 in words is "two million, one hundred ninety-two thousand, two hundred sixty-six".