427227282727229 has 4 divisors (see below), whose sum is σ = 427300777878876. Its totient is φ = 427153787575584.

The previous prime is 427227282727211. The next prime is 427227282727279. The reversal of 427227282727229 is 922727282722724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 347187384691225 + 80039898036004 = 18632965^2 + 8946502^2 .

It is a cyclic number.

It is not a de Polignac number, because 427227282727229 - 2¹⁶ = 427227282661693 is a prime.

It is a super-2 number, since 2×427227282727229² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427227282727279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36747567104 + ... + 36747578729.

It is an arithmetic number, because the mean of its divisors is an integer number (106825194469719).

Almost surely, 2^{427227282727229} is an apocalyptic number.

It is an amenable number.

427227282727229 is a deficient number, since it is larger than the sum of its proper divisors (73495151647).

427227282727229 is an equidigital number, since it uses as much as digits as its factorization.

427227282727229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73495151646.

The product of its digits is 177020928, while the sum is 65.

The spelling of 427227282727229 in words is "four hundred twenty-seven trillion, two hundred twenty-seven billion, two hundred eighty-two million, seven hundred twenty-seven thousand, two hundred twenty-nine".