221266040675 has 12 divisors (see below), whose sum is σ = 274915373040. Its totient is φ = 176660908320.

The previous prime is 221266040663. The next prime is 221266040687. The reversal of 221266040675 is 576040662122.

It is an interprime number because it is at equal distance from previous prime (221266040663) and next prime (221266040687).

It is not a de Polignac number, because 221266040675 - 2¹⁰ = 221266039651 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8785280 + ... + 8810429.

It is an arithmetic number, because the mean of its divisors is an integer number (22909614420).

Almost surely, 2^221266040675 is an apocalyptic number.

221266040675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

221266040675 is a deficient number, since it is larger than the sum of its proper divisors (53649332365).

221266040675 is a wasteful number, since it uses less digits than its factorization.

221266040675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17596222 (or 17596217 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 221266040675 in words is "two hundred twenty-one billion, two hundred sixty-six million, forty thousand, six hundred seventy-five".