4226645 has 8 divisors (see below), whose sum is σ = 5339040. Its totient is φ = 3203280.

The previous prime is 4226623. The next prime is 4226647. The reversal of 4226645 is 5466224.

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

It is not a de Polignac number, because 4226645 - 2⁸ = 4226389 is a prime.

It is a d-powerful number, because it can be written as 4³ + 2¹⁴ + 2²² + 6 + 6 + 4⁴ + 5⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4226647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22151 + ... + 22340.

It is an arithmetic number, because the mean of its divisors is an integer number (667380).

Almost surely, 2^4226645 is an apocalyptic number.

It is an amenable number.

4226645 is a deficient number, since it is larger than the sum of its proper divisors (1112395).

4226645 is a wasteful number, since it uses less digits than its factorization.

4226645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44515.

The product of its digits is 11520, while the sum is 29.

The square root of 4226645 is about 2055.8805899176. The cubic root of 4226645 is about 161.6833345671.

The spelling of 4226645 in words is "four million, two hundred twenty-six thousand, six hundred forty-five".