221440312716475 has 24 divisors (see below), whose sum is σ = 286532748801792. Its totient is φ = 169445105412000.

The previous prime is 221440312716437. The next prime is 221440312716509. The reversal of 221440312716475 is 574617213044122.

It is not a de Polignac number, because 221440312716475 - 2⁴⁷ = 80702824361147 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14537650 + ... + 25577800.

It is an arithmetic number, because the mean of its divisors is an integer number (11938864533408).

Almost surely, 2^{221440312716475} is an apocalyptic number.

221440312716475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

221440312716475 is a deficient number, since it is larger than the sum of its proper divisors (65092436085317).

221440312716475 is a wasteful number, since it uses less digits than its factorization.

221440312716475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11075067 (or 11075062 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 221440312716475 in words is "two hundred twenty-one trillion, four hundred forty billion, three hundred twelve million, seven hundred sixteen thousand, four hundred seventy-five".