2288890111 has 2 divisors, whose sum is σ = 2288890112. Its totient is φ = 2288890110.

The previous prime is 2288890061. The next prime is 2288890117. The reversal of 2288890111 is 1110988822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2288890111 - 2⁷ = 2288889983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2288890117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144445055 + 1144445056.

It is an arithmetic number, because the mean of its divisors is an integer number (1144445056).

Almost surely, 2^2288890111 is an apocalyptic number.

2288890111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2288890111 is an equidigital number, since it uses as much as digits as its factorization.

2288890111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 40.

The square root of 2288890111 is about 47842.3464203001. The cubic root of 2288890111 is about 1317.8773105208.

The spelling of 2288890111 in words is "two billion, two hundred eighty-eight million, eight hundred ninety thousand, one hundred eleven".