221014747827 has 8 divisors (see below), whose sum is σ = 327429256080. Its totient is φ = 147343165200.

The previous prime is 221014747813. The next prime is 221014747867. The reversal of 221014747827 is 728747410122.

221014747827 is a `hidden beast` number, since 2 + 2 + 10 + 147 + 478 + 27 = 666.

It is not a de Polignac number, because 221014747827 - 2¹² = 221014743731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221014747867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4092865674 + ... + 4092865727.

It is an arithmetic number, because the mean of its divisors is an integer number (40928657010).

Almost surely, 2^221014747827 is an apocalyptic number.

221014747827 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

221014747827 is a deficient number, since it is larger than the sum of its proper divisors (106414508253).

221014747827 is an equidigital number, since it uses as much as digits as its factorization.

221014747827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8185731410 (or 8185731404 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The spelling of 221014747827 in words is "two hundred twenty-one billion, fourteen million, seven hundred forty-seven thousand, eight hundred twenty-seven".