4369221 has 40 divisors (see below), whose sum is σ = 7318080. Its totient is φ = 2581632.

The previous prime is 4369213. The next prime is 4369229. The reversal of 4369221 is 1229634.

4369221 is a `hidden beast` number, since 436 + 9 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (4369213) and next prime (4369229).

It is not a de Polignac number, because 4369221 - 2³ = 4369213 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4369229) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26080 + ... + 26246.

It is an arithmetic number, because the mean of its divisors is an integer number (182952).

Almost surely, 2^4369221 is an apocalyptic number.

It is an amenable number.

4369221 is a deficient number, since it is larger than the sum of its proper divisors (2948859).

4369221 is a wasteful number, since it uses less digits than its factorization.

4369221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 206 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 4369221 is about 2090.2681646143. The cubic root of 4369221 is about 163.4812704747.

The spelling of 4369221 in words is "four million, three hundred sixty-nine thousand, two hundred twenty-one".