4227156 has 36 divisors (see below), whose sum is σ = 11056500. Its totient is φ = 1360128.

The previous prime is 4227149. The next prime is 4227161. The reversal of 4227156 is 6517224.

It can be written as a sum of positive squares in 2 ways, for example, as 1602756 + 2624400 = 1266^2 + 1620^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 981 + ... + 3068.

It is an arithmetic number, because the mean of its divisors is an integer number (307125).

Almost surely, 2^4227156 is an apocalyptic number.

It is an amenable number.

4227156 is an abundant number, since it is smaller than the sum of its proper divisors (6829344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4227156 is a wasteful number, since it uses less digits than its factorization.

4227156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088 (or 4083 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 4227156 is about 2056.0048638075. The cubic root of 4227156 is about 161.6898501253.

The spelling of 4227156 in words is "four million, two hundred twenty-seven thousand, one hundred fifty-six".