2249131 has 4 divisors (see below), whose sum is σ = 2286064. Its totient is φ = 2212200.

The previous prime is 2249113. The next prime is 2249141. The reversal of 2249131 is 1319422.

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

It is a cyclic number.

It is not a de Polignac number, because 2249131 - 2¹¹ = 2247083 is a prime.

It is a super-2 number, since 2×2249131² = 10117180510322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18375 + ... + 18496.

It is an arithmetic number, because the mean of its divisors is an integer number (571516).

2^2249131 is an apocalyptic number.

2249131 is the 949-th centered pentagonal number.

2249131 is a deficient number, since it is larger than the sum of its proper divisors (36933).

2249131 is an equidigital number, since it uses as much as digits as its factorization.

2249131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36932.

The product of its digits is 432, while the sum is 22.

The square root of 2249131 is about 1499.7103053590. The cubic root of 2249131 is about 131.0201977287.

It can be divided in two parts, 22491 and 31, that added together give a palindrome (22522).

The spelling of 2249131 in words is "two million, two hundred forty-nine thousand, one hundred thirty-one".