288423022 has 8 divisors (see below), whose sum is σ = 434541096. Its totient is φ = 143575992.

The previous prime is 288423017. The next prime is 288423041. The reversal of 288423022 is 220324882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×288423022² = 166375679239224968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317193 + ... + 318100.

It is an arithmetic number, because the mean of its divisors is an integer number (54317637).

Almost surely, 2^288423022 is an apocalyptic number.

288423022 is a deficient number, since it is larger than the sum of its proper divisors (146118074).

288423022 is a wasteful number, since it uses less digits than its factorization.

288423022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635522.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 288423022 is about 16983.0215803902. The cubic root of 288423022 is about 660.7086221277.

The spelling of 288423022 in words is "two hundred eighty-eight million, four hundred twenty-three thousand, twenty-two".