2289551 has 4 divisors (see below), whose sum is σ = 2497704. Its totient is φ = 2081400.

The previous prime is 2289503. The next prime is 2289571. The reversal of 2289551 is 1559822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2289551 - 2¹⁰ = 2288527 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289571) 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, 104060 + ... + 104081.

It is an arithmetic number, because the mean of its divisors is an integer number (624426).

2^2289551 is an apocalyptic number.

2289551 is a deficient number, since it is larger than the sum of its proper divisors (208153).

2289551 is a wasteful number, since it uses less digits than its factorization.

2289551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208152.

The product of its digits is 7200, while the sum is 32.

The square root of 2289551 is about 1513.1262339937. The cubic root of 2289551 is about 131.8004138628.

It can be divided in two parts, 228 and 9551, that added together give a palindrome (9779).

The spelling of 2289551 in words is "two million, two hundred eighty-nine thousand, five hundred fifty-one".