2288361 has 12 divisors (see below), whose sum is σ = 3163472. Its totient is φ = 1471344.

The previous prime is 2288359. The next prime is 2288369. The reversal of 2288361 is 1638822.

It is not a de Polignac number, because 2288361 - 2¹ = 2288359 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2288369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2070 + ... + 2976.

2^2288361 is an apocalyptic number.

It is an amenable number.

2288361 is a deficient number, since it is larger than the sum of its proper divisors (875111).

2288361 is an equidigital number, since it uses as much as digits as its factorization.

2288361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 939 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 2288361 is about 1512.7329572664. The cubic root of 2288361 is about 131.7775753713. Note that the first 3 decimals are identical.

The spelling of 2288361 in words is "two million, two hundred eighty-eight thousand, three hundred sixty-one".