2162242 has 4 divisors (see below), whose sum is σ = 3243366. Its totient is φ = 1081120.

The previous prime is 2162239. The next prime is 2162249. The reversal of 2162242 is 2422612.

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., 1164241 + 998001 = 1079^2 + 999^2 .

It is not an unprimeable number, because it can be changed into a prime (2162249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540559 + ... + 540562.

2^2162242 is an apocalyptic number.

2162242 is a deficient number, since it is larger than the sum of its proper divisors (1081124).

2162242 is a wasteful number, since it uses less digits than its factorization.

2162242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081123.

The product of its digits is 384, while the sum is 19.

The square root of 2162242 is about 1470.4563917369. The cubic root of 2162242 is about 129.3107904050.

Adding to 2162242 its reverse (2422612), we get a palindrome (4584854).

The spelling of 2162242 in words is "two million, one hundred sixty-two thousand, two hundred forty-two".