288955225 has 24 divisors (see below), whose sum is σ = 388100160. Its totient is φ = 212147520.

The previous prime is 288955157. The next prime is 288955229. The reversal of 288955225 is 522559882.

It is not a de Polignac number, because 288955225 - 2⁹ = 288954713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (288955229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55692 + ... + 60658.

It is an arithmetic number, because the mean of its divisors is an integer number (16170840).

Almost surely, 2^288955225 is an apocalyptic number.

288955225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

288955225 is a deficient number, since it is larger than the sum of its proper divisors (99144935).

288955225 is a wasteful number, since it uses less digits than its factorization.

288955225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169 (or 5164 counting only the distinct ones).

The product of its digits is 576000, while the sum is 46.

The square root of 288955225 is about 16998.6830372238. The cubic root of 288955225 is about 661.1147559738.

It can be divided in two parts, 288955 and 225, that added together give a triangular number (289180 = T₇₆₀).

The spelling of 288955225 in words is "two hundred eighty-eight million, nine hundred fifty-five thousand, two hundred twenty-five".