2263161 has 16 divisors (see below), whose sum is σ = 3124800. Its totient is φ = 1456320.

The previous prime is 2263141. The next prime is 2263169. The reversal of 2263161 is 1613622.

It is a happy number.

It is not a de Polignac number, because 2263161 - 2¹³ = 2254969 is a prime.

2263161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2263169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15115 + ... + 15263.

It is an arithmetic number, because the mean of its divisors is an integer number (195300).

2^2263161 is an apocalyptic number.

It is an amenable number.

2263161 is a deficient number, since it is larger than the sum of its proper divisors (861639).

2263161 is a wasteful number, since it uses less digits than its factorization.

2263161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296.

The product of its digits is 432, while the sum is 21.

The square root of 2263161 is about 1504.3806034378. The cubic root of 2263161 is about 131.2920663347.

Adding to 2263161 its reverse (1613622), we get a palindrome (3876783).

The spelling of 2263161 in words is "two million, two hundred sixty-three thousand, one hundred sixty-one".