3872229 has 16 divisors (see below), whose sum is σ = 5322240. Its totient is φ = 2503280.

The previous prime is 3872221. The next prime is 3872237. The reversal of 3872229 is 9222783.

It is an interprime number because it is at equal distance from previous prime (3872221) and next prime (3872237).

It is a cyclic number.

It is not a de Polignac number, because 3872229 - 2³ = 3872221 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3872229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23104 + ... + 23270.

It is an arithmetic number, because the mean of its divisors is an integer number (332640).

Almost surely, 2^3872229 is an apocalyptic number.

It is an amenable number.

3872229 is a deficient number, since it is larger than the sum of its proper divisors (1450011).

3872229 is a wasteful number, since it uses less digits than its factorization.

3872229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its digits is 12096, while the sum is 33.

The square root of 3872229 is about 1967.7980079266. The cubic root of 3872229 is about 157.0315838388.

It can be divided in two parts, 3872 and 229, that multiplied together give a palindrome (886688).

The spelling of 3872229 in words is "three million, eight hundred seventy-two thousand, two hundred twenty-nine".