4492221 has 4 divisors (see below), whose sum is σ = 5989632. Its totient is φ = 2994812.

The previous prime is 4492211. The next prime is 4492231. The reversal of 4492221 is 1222944.

4492221 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4492211) and next prime (4492231).

It is a cyclic number.

It is not a de Polignac number, because 4492221 - 2⁶ = 4492157 is a prime.

It is a D-number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 4492191 and 4492200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4492211) 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, 748701 + ... + 748706.

It is an arithmetic number, because the mean of its divisors is an integer number (1497408).

Almost surely, 2^4492221 is an apocalyptic number.

It is an amenable number.

4492221 is a deficient number, since it is larger than the sum of its proper divisors (1497411).

4492221 is a wasteful number, since it uses less digits than its factorization.

4492221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497410.

The product of its digits is 1152, while the sum is 24.

The square root of 4492221 is about 2119.4860226008. The cubic root of 4492221 is about 165.0011753819.

The spelling of 4492221 in words is "four million, four hundred ninety-two thousand, two hundred twenty-one".