268221030 has 64 divisors (see below), whose sum is σ = 802579968. Its totient is φ = 55733760.

The previous prime is 268221013. The next prime is 268221061. The reversal of 268221030 is 30122862.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 55747 + ... + 60366.

It is an arithmetic number, because the mean of its divisors is an integer number (12540312).

Almost surely, 2^268221030 is an apocalyptic number.

268221030 is an abundant number, since it is smaller than the sum of its proper divisors (534358938).

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

268221030 is a wasteful number, since it uses less digits than its factorization.

268221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116141.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 268221030 is about 16377.4549304829. The cubic root of 268221030 is about 644.9077687964.

Adding to 268221030 its reverse (30122862), we get a palindrome (298343892).

The spelling of 268221030 in words is "two hundred sixty-eight million, two hundred twenty-one thousand, thirty".