4225618 has 8 divisors (see below), whose sum is σ = 6347340. Its totient is φ = 2109840.

The previous prime is 4225609. The next prime is 4225633. The reversal of 4225618 is 8165224.

It can be written as a sum of positive squares in 2 ways, for example, as 3179089 + 1046529 = 1783^2 + 1023^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1468 + ... + 3256.

Almost surely, 2^4225618 is an apocalyptic number.

4225618 is a deficient number, since it is larger than the sum of its proper divisors (2121722).

4225618 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 4225618 = (2426851)₁₁.

4225618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972.

The product of its digits is 3840, while the sum is 28.

The square root of 4225618 is about 2055.6308034275. The cubic root of 4225618 is about 161.6702381091.

The spelling of 4225618 in words is "four million, two hundred twenty-five thousand, six hundred eighteen".