288913222 has 8 divisors (see below), whose sum is σ = 466706016. Its totient is φ = 133344552.

The previous prime is 288913217. The next prime is 288913231. The reversal of 288913222 is 222319882.

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

It is a super-3 number, since 3×288913222³ (a number of 26 digits) contains 333 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, 5555998 + ... + 5556049.

It is an arithmetic number, because the mean of its divisors is an integer number (58338252).

Almost surely, 2^288913222 is an apocalyptic number.

288913222 is a deficient number, since it is larger than the sum of its proper divisors (177792794).

288913222 is a wasteful number, since it uses less digits than its factorization.

288913222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112062.

The product of its digits is 27648, while the sum is 37.

The square root of 288913222 is about 16997.4475142593. The cubic root of 288913222 is about 661.0827208506.

The spelling of 288913222 in words is "two hundred eighty-eight million, nine hundred thirteen thousand, two hundred twenty-two".