2191162 has 4 divisors (see below), whose sum is σ = 3286746. Its totient is φ = 1095580.

The previous prime is 2191159. The next prime is 2191169. The reversal of 2191162 is 2611912.

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., 2187441 + 3721 = 1479^2 + 61^2 .

It is not an unprimeable number, because it can be changed into a prime (2191169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547789 + ... + 547792.

2^2191162 is an apocalyptic number.

2191162 is a deficient number, since it is larger than the sum of its proper divisors (1095584).

2191162 is a wasteful number, since it uses less digits than its factorization.

2191162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095583.

The product of its digits is 216, while the sum is 22.

The square root of 2191162 is about 1480.2574100473. The cubic root of 2191162 is about 129.8847499275.

The spelling of 2191162 in words is "two million, one hundred ninety-one thousand, one hundred sixty-two".