4222285 has 4 divisors (see below), whose sum is σ = 5066748. Its totient is φ = 3377824.

The previous prime is 4222277. The next prime is 4222289. The reversal of 4222285 is 5822224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2301289 + 1920996 = 1517^2 + 1386^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222285 - 2³ = 4222277 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4² + 2⁸ + 2¹³ + 2¹⁴ + 2²² + 8 + 5⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222289) 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, 422224 + ... + 422233.

It is an arithmetic number, because the mean of its divisors is an integer number (1266687).

Almost surely, 2^4222285 is an apocalyptic number.

It is an amenable number.

4222285 is a deficient number, since it is larger than the sum of its proper divisors (844463).

4222285 is an equidigital number, since it uses as much as digits as its factorization.

4222285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844462.

The product of its digits is 2560, while the sum is 25.

The square root of 4222285 is about 2054.8199434500. The cubic root of 4222285 is about 161.6277205697.

The spelling of 4222285 in words is "four million, two hundred twenty-two thousand, two hundred eighty-five".