268070221 has 24 divisors (see below), whose sum is σ = 298620000. Its totient is φ = 239941152.

The previous prime is 268070197. The next prime is 268070249. The reversal of 268070221 is 122070862.

It is not a de Polignac number, because 268070221 - 2⁵ = 268070189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268070221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268070021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1497510 + ... + 1497688.

It is an arithmetic number, because the mean of its divisors is an integer number (12442500).

Almost surely, 2^268070221 is an apocalyptic number.

It is an amenable number.

268070221 is a deficient number, since it is larger than the sum of its proper divisors (30549779).

268070221 is a wasteful number, since it uses less digits than its factorization.

268070221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 268070221 is about 16372.8501184125. The cubic root of 268070221 is about 644.7868782888.

The spelling of 268070221 in words is "two hundred sixty-eight million, seventy thousand, two hundred twenty-one".