2289291 has 8 divisors (see below), whose sum is σ = 3213120. Its totient is φ = 1445832.

The previous prime is 2289281. The next prime is 2289349. The reversal of 2289291 is 1929822.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2289291 - 2⁷ = 2289163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2289211) 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, 20025 + ... + 20138.

It is an arithmetic number, because the mean of its divisors is an integer number (401640).

2^2289291 is an apocalyptic number.

2289291 is a deficient number, since it is larger than the sum of its proper divisors (923829).

2289291 is a wasteful number, since it uses less digits than its factorization.

2289291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40185.

The product of its digits is 5184, while the sum is 33.

The square root of 2289291 is about 1513.0403167133. The cubic root of 2289291 is about 131.7954246161.

The spelling of 2289291 in words is "two million, two hundred eighty-nine thousand, two hundred ninety-one".