268916722 has 8 divisors (see below), whose sum is σ = 406945116. Its totient is φ = 133268352.

The previous prime is 268916707. The next prime is 268916729. The reversal of 268916722 is 227619862.

It can be written as a sum of positive squares in 2 ways, for example, as 246458601 + 22458121 = 15699^2 + 4739^2 .

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

It is not an unprimeable number, because it can be changed into a prime (268916729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594723 + ... + 595174.

Almost surely, 2^268916722 is an apocalyptic number.

268916722 is a deficient number, since it is larger than the sum of its proper divisors (138028394).

268916722 is a wasteful number, since it uses less digits than its factorization.

268916722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190012.

The product of its digits is 145152, while the sum is 43.

The square root of 268916722 is about 16398.6804956984. The cubic root of 268916722 is about 645.4648588891.

The spelling of 268916722 in words is "two hundred sixty-eight million, nine hundred sixteen thousand, seven hundred twenty-two".