4202245 has 16 divisors (see below), whose sum is σ = 5301360. Its totient is φ = 3193344.

The previous prime is 4202227. The next prime is 4202257. The reversal of 4202245 is 5422024.

4202245 = 203² + 204² + ... + 275².

It can be written as a sum of positive squares in 8 ways, for example, as 16129 + 4186116 = 127^2 + 2046^2 .

It is a cyclic number.

It is not a de Polignac number, because 4202245 - 2⁷ = 4202117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10387 + ... + 10783.

It is an arithmetic number, because the mean of its divisors is an integer number (331335).

Almost surely, 2^4202245 is an apocalyptic number.

It is an amenable number.

4202245 is a deficient number, since it is larger than the sum of its proper divisors (1099115).

4202245 is a wasteful number, since it uses less digits than its factorization.

4202245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 4202245 is about 2049.9378039345. The cubic root of 4202245 is about 161.3716066828.

Adding to 4202245 its reverse (5422024), we get a palindrome (9624269).

The spelling of 4202245 in words is "four million, two hundred two thousand, two hundred forty-five".