4421225 has 6 divisors (see below), whose sum is σ = 5482350. Its totient is φ = 3536960.

The previous prime is 4421213. The next prime is 4421227. The reversal of 4421225 is 5221244.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 946729 + 3474496 = 973^2 + 1864^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4421225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4421197 and 4421206.

It is not an unprimeable number, because it can be changed into a prime (4421227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88400 + ... + 88449.

It is an arithmetic number, because the mean of its divisors is an integer number (913725).

Almost surely, 2^4421225 is an apocalyptic number.

It is an amenable number.

4421225 is a deficient number, since it is larger than the sum of its proper divisors (1061125).

4421225 is a wasteful number, since it uses less digits than its factorization.

4421225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176859 (or 176854 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 4421225 is about 2102.6709205199. The cubic root of 4421225 is about 164.1273178502.

Adding to 4421225 its reverse (5221244), we get a palindrome (9642469).

The spelling of 4421225 in words is "four million, four hundred twenty-one thousand, two hundred twenty-five".