2288776 has 32 divisors (see below), whose sum is σ = 5120640. Its totient is φ = 937728.

The previous prime is 2288773. The next prime is 2288801. The reversal of 2288776 is 6778822.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2¹⁶ + 2¹⁹ + 8² + 8² + 7⁴ + 7⁵ + 6⁸ .

It is not an unprimeable number, because it can be changed into a prime (2288771) 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, 400 + ... + 2176.

It is an arithmetic number, because the mean of its divisors is an integer number (160020).

2^2288776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2288776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2560320).

2288776 is an abundant number, since it is smaller than the sum of its proper divisors (2831864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2288776 is a wasteful number, since it uses less digits than its factorization.

2288776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813 (or 1809 counting only the distinct ones).

The product of its digits is 75264, while the sum is 40.

The square root of 2288776 is about 1512.8701200037. The cubic root of 2288776 is about 131.7855409543.

The spelling of 2288776 in words is "two million, two hundred eighty-eight thousand, seven hundred seventy-six".