268187922 has 96 divisors (see below), whose sum is σ = 628992000. Its totient is φ = 85578768.

The previous prime is 268187921. The next prime is 268187939. The reversal of 268187922 is 229781862.

It is not an unprimeable number, because it can be changed into a prime (268187921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1347579 + ... + 1347777.

It is an arithmetic number, because the mean of its divisors is an integer number (6552000).

Almost surely, 2^268187922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268187922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314496000).

268187922 is an abundant number, since it is smaller than the sum of its proper divisors (360804078).

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

268187922 is a wasteful number, since it uses less digits than its factorization.

268187922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 310 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 268187922 is about 16376.4441195273. Note that the first 3 decimals coincide. The cubic root of 268187922 is about 644.8812328644.

The spelling of 268187922 in words is "two hundred sixty-eight million, one hundred eighty-seven thousand, nine hundred twenty-two".