2249139 has 16 divisors (see below), whose sum is σ = 3104640. Its totient is φ = 1447680.

The previous prime is 2249113. The next prime is 2249141. The reversal of 2249139 is 9319422.

It is not a de Polignac number, because 2249139 - 2¹² = 2245043 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2249179) 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, 17104 + ... + 17234.

It is an arithmetic number, because the mean of its divisors is an integer number (194040).

2^2249139 is an apocalyptic number.

2249139 is a deficient number, since it is larger than the sum of its proper divisors (855501).

2249139 is a wasteful number, since it uses less digits than its factorization.

2249139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its digits is 3888, while the sum is 30.

The square root of 2249139 is about 1499.7129725384. The cubic root of 2249139 is about 131.0203530717.

The spelling of 2249139 in words is "two million, two hundred forty-nine thousand, one hundred thirty-nine".