4227147 has 20 divisors (see below), whose sum is σ = 6592080. Its totient is φ = 2694384.

The previous prime is 4227137. The next prime is 4227149. The reversal of 4227147 is 7417224.

It is a happy number.

It is not a de Polignac number, because 4227147 - 2⁸ = 4226891 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 4² + 2 + 2¹⁵ + 7 + 1 + 4¹¹ + 7² .

It is a self number, because there is not a number n which added to its sum of digits gives 4227147.

It is not an unprimeable number, because it can be changed into a prime (4227149) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 729 + ... + 2997.

It is an arithmetic number, because the mean of its divisors is an integer number (329604).

Almost surely, 2^4227147 is an apocalyptic number.

4227147 is a deficient number, since it is larger than the sum of its proper divisors (2364933).

4227147 is a wasteful number, since it uses less digits than its factorization.

4227147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304 (or 2295 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 4227147 is about 2056.0026750955. The cubic root of 4227147 is about 161.6897353744.

It can be divided in two parts, 422 and 7147, that added together give a square (7569 = 87²).

The spelling of 4227147 in words is "four million, two hundred twenty-seven thousand, one hundred forty-seven".