2288890 has 16 divisors (see below), whose sum is σ = 4216608. Its totient is φ = 894096.

The previous prime is 2288887. The next prime is 2288893. The reversal of 2288890 is 988822.

It is an interprime number because it is at equal distance from previous prime (2288887) and next prime (2288893).

It is not an unprimeable number, because it can be changed into a prime (2288893) 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 7 ways as a sum of consecutive naturals, for example, 2232 + ... + 3091.

It is an arithmetic number, because the mean of its divisors is an integer number (263538).

2^2288890 is an apocalyptic number.

2288890 is a deficient number, since it is larger than the sum of its proper divisors (1927718).

2288890 is a wasteful number, since it uses less digits than its factorization.

2288890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 2288890 is about 1512.9077962652. The cubic root of 2288890 is about 131.7877289217.

The spelling of 2288890 in words is "two million, two hundred eighty-eight thousand, eight hundred ninety".