2163262 has 4 divisors (see below), whose sum is σ = 3244896. Its totient is φ = 1081630.

The previous prime is 2163251. The next prime is 2163263. The reversal of 2163262 is 2623612.

It is a happy number.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540814 + ... + 540817.

It is an arithmetic number, because the mean of its divisors is an integer number (811224).

2^2163262 is an apocalyptic number.

2163262 is a deficient number, since it is larger than the sum of its proper divisors (1081634).

2163262 is a wasteful number, since it uses less digits than its factorization.

2163262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081633.

The product of its digits is 864, while the sum is 22.

The square root of 2163262 is about 1470.8031819384. The cubic root of 2163262 is about 129.3311205795.

Adding to 2163262 its reverse (2623612), we get a palindrome (4786874).

The spelling of 2163262 in words is "two million, one hundred sixty-three thousand, two hundred sixty-two".