288816422 has 4 divisors (see below), whose sum is σ = 433224636. Its totient is φ = 144408210.

The previous prime is 288816421. The next prime is 288816467. The reversal of 288816422 is 224618882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224618882 = 2 ⋅112309441.

It is a self number, because there is not a number n which added to its sum of digits gives 288816422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288816421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72204104 + ... + 72204107.

It is an arithmetic number, because the mean of its divisors is an integer number (108306159).

Almost surely, 2^288816422 is an apocalyptic number.

288816422 is a deficient number, since it is larger than the sum of its proper divisors (144408214).

288816422 is a wasteful number, since it uses less digits than its factorization.

288816422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144408213.

The product of its digits is 98304, while the sum is 41.

The square root of 288816422 is about 16994.5997893448. The cubic root of 288816422 is about 661.0088809675.

The spelling of 288816422 in words is "two hundred eighty-eight million, eight hundred sixteen thousand, four hundred twenty-two".