4394017226 has 4 divisors (see below), whose sum is σ = 6591025842. Its totient is φ = 2197008612.

The previous prime is 4394017213. The next prime is 4394017253. The reversal of 4394017226 is 6227104934.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2376660001 + 2017357225 = 48751^2 + 44915^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4394017226.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098504305 + ... + 1098504308.

Almost surely, 2^4394017226 is an apocalyptic number.

4394017226 is a deficient number, since it is larger than the sum of its proper divisors (2197008616).

4394017226 is a wasteful number, since it uses less digits than its factorization.

4394017226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197008615.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 4394017226 is about 66287.3836110613. The cubic root of 4394017226 is about 1637.8995052353.

The spelling of 4394017226 in words is "four billion, three hundred ninety-four million, seventeen thousand, two hundred twenty-six".