268220583 has 6 divisors (see below), whose sum is σ = 387429744. Its totient is φ = 178813716.

The previous prime is 268220573. The next prime is 268220591. The reversal of 268220583 is 385022862.

It is not a de Polignac number, because 268220583 - 2⁸ = 268220327 is a prime.

It is a super-2 number, since 2×268220583² = 143884562289719778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268220573) 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 5 ways as a sum of consecutive naturals, for example, 14901135 + ... + 14901152.

It is an arithmetic number, because the mean of its divisors is an integer number (64571624).

Almost surely, 2^268220583 is an apocalyptic number.

268220583 is a deficient number, since it is larger than the sum of its proper divisors (119209161).

268220583 is a wasteful number, since it uses less digits than its factorization.

268220583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29802293 (or 29802290 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 268220583 is about 16377.4412836682. The cubic root of 268220583 is about 644.9074105422.

The spelling of 268220583 in words is "two hundred sixty-eight million, two hundred twenty thousand, five hundred eighty-three".