288622 has 4 divisors (see below), whose sum is σ = 432936. Its totient is φ = 144310.

The previous prime is 288583. The next prime is 288647. The reversal of 288622 is 226882.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72154 + ... + 72157.

It is an arithmetic number, because the mean of its divisors is an integer number (108234).

2²⁸⁸⁶²² is an apocalyptic number.

288622 is a deficient number, since it is larger than the sum of its proper divisors (144314).

288622 is a wasteful number, since it uses less digits than its factorization.

288622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144313.

The product of its digits is 3072, while the sum is 28.

The square root of 288622 is about 537.2355163241. The cubic root of 288622 is about 66.0860524310.

The spelling of 288622 in words is "two hundred eighty-eight thousand, six hundred twenty-two".