288226668222 has 16 divisors (see below), whose sum is σ = 640503707280. Its totient is φ = 96075556056.

The previous prime is 288226668221. The next prime is 288226668251. The reversal of 288226668222 is 222866622882.

It is a super-2 number, since 2×288226668222² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 5337530893 = 288226668222 / (2 + 8 + 8 + 2 + 2 + 6 + 6 + 6 + 8 + 2 + 2 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288226668221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668765393 + ... + 2668765500.

It is an arithmetic number, because the mean of its divisors is an integer number (40031481705).

Almost surely, 2^288226668222 is an apocalyptic number.

288226668222 is an abundant number, since it is smaller than the sum of its proper divisors (352277039058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

288226668222 is a wasteful number, since it uses less digits than its factorization.

288226668222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5337530904 (or 5337530898 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 54.

The spelling of 288226668222 in words is "two hundred eighty-eight billion, two hundred twenty-six million, six hundred sixty-eight thousand, two hundred twenty-two".