2261162 has 4 divisors (see below), whose sum is σ = 3391746. Its totient is φ = 1130580.

The previous prime is 2261143. The next prime is 2261173. The reversal of 2261162 is 2611622.

It is a happy number.

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., 2247001 + 14161 = 1499^2 + 119^2 .

It is a super-2 number, since 2×2261162² = 10225707180488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565289 + ... + 565292.

2^2261162 is an apocalyptic number.

2261162 is a deficient number, since it is larger than the sum of its proper divisors (1130584).

2261162 is a wasteful number, since it uses less digits than its factorization.

2261162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130583.

The product of its digits is 288, while the sum is 20.

The square root of 2261162 is about 1503.7160636237. The cubic root of 2261162 is about 131.2533991561.

Adding to 2261162 its reverse (2611622), we get a palindrome (4872784).

The spelling of 2261162 in words is "two million, two hundred sixty-one thousand, one hundred sixty-two".