2249286 has 16 divisors (see below), whose sum is σ = 4844784. Its totient is φ = 692064.

The previous prime is 2249281. The next prime is 2249293. The reversal of 2249286 is 6829422.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14341 + ... + 14496.

It is an arithmetic number, because the mean of its divisors is an integer number (302799).

2^2249286 is an apocalyptic number.

2249286 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2249286 is an abundant number, since it is smaller than the sum of its proper divisors (2595498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2249286 is a wasteful number, since it uses less digits than its factorization.

2249286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28855.

The product of its digits is 13824, while the sum is 33.

The square root of 2249286 is about 1499.7619811157. The cubic root of 2249286 is about 131.0232074340.

It can be divided in two parts, 22492 and 86, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 2249286 in words is "two million, two hundred forty-nine thousand, two hundred eighty-six".