4289225 has 12 divisors (see below), whose sum is σ = 5463564. Its totient is φ = 3337920.

The previous prime is 4289213. The next prime is 4289239. The reversal of 4289225 is 5229824.

It can be written as a sum of positive squares in 6 ways, for example, as 8464 + 4280761 = 92^2 + 2069^2 .

It is not a de Polignac number, because 4289225 - 2¹² = 4285129 is a prime.

It is a super-2 number, since 2×4289225² = 36794902201250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4289191 and 4289200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1394 + ... + 3243.

It is an arithmetic number, because the mean of its divisors is an integer number (455297).

Almost surely, 2^4289225 is an apocalyptic number.

It is an amenable number.

4289225 is a deficient number, since it is larger than the sum of its proper divisors (1174339).

4289225 is a wasteful number, since it uses less digits than its factorization.

4289225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684 (or 4679 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 4289225 is about 2071.0444225076. The cubic root of 4289225 is about 162.4773933048.

The spelling of 4289225 in words is "four million, two hundred eighty-nine thousand, two hundred twenty-five".