2249442 has 24 divisors (see below), whose sum is σ = 5249244. Its totient is φ = 692064.

The previous prime is 2249441. The next prime is 2249477. The reversal of 2249442 is 2449422.

It can be written as a sum of positive squares in 2 ways, for example, as 2187441 + 62001 = 1479^2 + 249^2 .

It is a super-2 number, since 2×2249442² = 10119978622728, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2249441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4573 + ... + 5040.

2^2249442 is an apocalyptic number.

2249442 is an abundant number, since it is smaller than the sum of its proper divisors (2999802).

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

2249442 is a wasteful number, since it uses less digits than its factorization.

2249442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9634 (or 9631 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 2249442 is about 1499.8139884666. The cubic root of 2249442 is about 131.0262364171.

The spelling of 2249442 in words is "two million, two hundred forty-nine thousand, four hundred forty-two".