4225637 has 8 divisors (see below), whose sum is σ = 4637304. Its totient is φ = 3826368.

The previous prime is 4225633. The next prime is 4225649. The reversal of 4225637 is 7365224.

It can be written as a sum of positive squares in 4 ways, for example, as 1406596 + 2819041 = 1186^2 + 1679^2 .

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

It is not a de Polignac number, because 4225637 - 2² = 4225633 is a prime.

It is a d-powerful number, because it can be written as 4 + 2¹⁰ + 2²² + 5⁶ + 6⁵ + 3⁸ + 7³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2378 + ... + 3755.

It is an arithmetic number, because the mean of its divisors is an integer number (579663).

Almost surely, 2^4225637 is an apocalyptic number.

It is an amenable number.

4225637 is a deficient number, since it is larger than the sum of its proper divisors (411667).

4225637 is a wasteful number, since it uses less digits than its factorization.

4225637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6199.

The product of its digits is 10080, while the sum is 29.

The square root of 4225637 is about 2055.6354248748. The cubic root of 4225637 is about 161.6704804192.

The spelling of 4225637 in words is "four million, two hundred twenty-five thousand, six hundred thirty-seven".