2288251 has 24 divisors (see below), whose sum is σ = 2930256. Its totient is φ = 1774080.

The previous prime is 2288249. The next prime is 2288257. The reversal of 2288251 is 1528822.

It is not a de Polignac number, because 2288251 - 2¹ = 2288249 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2288257) 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 23 ways as a sum of consecutive naturals, for example, 34120 + ... + 34186.

It is an arithmetic number, because the mean of its divisors is an integer number (122094).

2^2288251 is an apocalyptic number.

2288251 is a deficient number, since it is larger than the sum of its proper divisors (642005).

2288251 is a wasteful number, since it uses less digits than its factorization.

2288251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 132 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 2288251 is about 1512.6965987930. The cubic root of 2288251 is about 131.7754638505.

It can be divided in two parts, 228825 and 1, that added together give a triangular number (228826 = T₆₇₆).

The spelling of 2288251 in words is "two million, two hundred eighty-eight thousand, two hundred fifty-one".