4202225 has 6 divisors (see below), whose sum is σ = 5210790. Its totient is φ = 3361760.

The previous prime is 4202203. The next prime is 4202227. The reversal of 4202225 is 5222024.

It can be written as a sum of positive squares in 3 ways, for example, as 7921 + 4194304 = 89^2 + 2048^2 .

It is not a de Polignac number, because 4202225 - 2⁶ = 4202161 is a prime.

It is a d-powerful number, because it can be written as 4⁵ + 2⁷ + 0 + 2¹¹ + 2¹² + 2²² + 5⁴ .

It is not an unprimeable number, because it can be changed into a prime (4202227) 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, 84020 + ... + 84069.

It is an arithmetic number, because the mean of its divisors is an integer number (868465).

Almost surely, 2^4202225 is an apocalyptic number.

It is an amenable number.

4202225 is a deficient number, since it is larger than the sum of its proper divisors (1008565).

4202225 is a wasteful number, since it uses less digits than its factorization.

4202225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168099 (or 168094 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4202225 is about 2049.9329257320. The cubic root of 4202225 is about 161.3713506739.

Adding to 4202225 its reverse (5222024), we get a palindrome (9424249).

The spelling of 4202225 in words is "four million, two hundred two thousand, two hundred twenty-five".