4394726225 has 6 divisors (see below), whose sum is σ = 5449460550. Its totient is φ = 3515780960.

The previous prime is 4394726213. The next prime is 4394726227. The reversal of 4394726225 is 5226274934.

It can be written as a sum of positive squares in 3 ways, for example, as 431268289 + 3963457936 = 20767^2 + 62956^2 .

It is not a de Polignac number, because 4394726225 - 2⁴ = 4394726209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4394726227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87894500 + ... + 87894549.

It is an arithmetic number, because the mean of its divisors is an integer number (908243425).

Almost surely, 2^4394726225 is an apocalyptic number.

It is an amenable number.

4394726225 is a deficient number, since it is larger than the sum of its proper divisors (1054734325).

4394726225 is a wasteful number, since it uses less digits than its factorization.

4394726225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175789059 (or 175789054 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The square root of 4394726225 is about 66292.7313134706. The cubic root of 4394726225 is about 1637.9875952145.

The spelling of 4394726225 in words is "four billion, three hundred ninety-four million, seven hundred twenty-six thousand, two hundred twenty-five".