2290549 has 4 divisors (see below), whose sum is σ = 2312064. Its totient is φ = 2269036.

The previous prime is 2290543. The next prime is 2290571. The reversal of 2290549 is 9450922.

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 2290549 - 2⁵ = 2290517 is a prime.

It is a super-2 number, since 2×2290549² = 10493229442802, 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 2290549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10597 + ... + 10810.

It is an arithmetic number, because the mean of its divisors is an integer number (578016).

2^2290549 is an apocalyptic number.

It is an amenable number.

2290549 is a deficient number, since it is larger than the sum of its proper divisors (21515).

2290549 is a wasteful number, since it uses less digits than its factorization.

2290549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21514.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2290549 is about 1513.4559788775. The cubic root of 2290549 is about 131.8195613879.

The spelling of 2290549 in words is "two million, two hundred ninety thousand, five hundred forty-nine".