268155226 has 4 divisors (see below), whose sum is σ = 402232842. Its totient is φ = 134077612.

The previous prime is 268155221. The next prime is 268155241. The reversal of 268155226 is 622551862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 264095001 + 4060225 = 16251^2 + 2015^2 .

It is a super-2 number, since 2×268155226² = 143814450462222152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268155221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67038805 + ... + 67038808.

Almost surely, 2^268155226 is an apocalyptic number.

268155226 is a deficient number, since it is larger than the sum of its proper divisors (134077616).

268155226 is a wasteful number, since it uses less digits than its factorization.

268155226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134077615.

The product of its digits is 57600, while the sum is 37.

The square root of 268155226 is about 16375.4458259920. The cubic root of 268155226 is about 644.8550250055.

It can be divided in two parts, 26815 and 5226, that added together give a square (32041 = 179²).

The spelling of 268155226 in words is "two hundred sixty-eight million, one hundred fifty-five thousand, two hundred twenty-six".