2249261 has 4 divisors (see below), whose sum is σ = 2570592. Its totient is φ = 1927932.

The previous prime is 2249251. The next prime is 2249281. The reversal of 2249261 is 1629422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2249261 - 2⁶ = 2249197 is a prime.

It is a super-2 number, since 2×2249261² = 10118350092242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2249261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249231) 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, 160655 + ... + 160668.

It is an arithmetic number, because the mean of its divisors is an integer number (642648).

2^2249261 is an apocalyptic number.

It is an amenable number.

2249261 is a deficient number, since it is larger than the sum of its proper divisors (321331).

2249261 is an equidigital number, since it uses as much as digits as its factorization.

2249261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321330.

The product of its digits is 1728, while the sum is 26.

The square root of 2249261 is about 1499.7536464366. The cubic root of 2249261 is about 131.0227220070.

The spelling of 2249261 in words is "two million, two hundred forty-nine thousand, two hundred sixty-one".