268722269 has 4 divisors (see below), whose sum is σ = 268773696. Its totient is φ = 268670844.

The previous prime is 268722257. The next prime is 268722277. The reversal of 268722269 is 962227862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 268722269 - 2⁴ = 268722253 is a prime.

It is a super-2 number, since 2×268722269² = 144423315713016722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268322269) 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, 16859 + ... + 28664.

It is an arithmetic number, because the mean of its divisors is an integer number (67193424).

Almost surely, 2^268722269 is an apocalyptic number.

It is an amenable number.

268722269 is a deficient number, since it is larger than the sum of its proper divisors (51427).

268722269 is an equidigital number, since it uses as much as digits as its factorization.

268722269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51426.

The product of its digits is 290304, while the sum is 44.

The square root of 268722269 is about 16392.7505013649. The cubic root of 268722269 is about 645.3092433736.

The spelling of 268722269 in words is "two hundred sixty-eight million, seven hundred twenty-two thousand, two hundred sixty-nine".