4446778226 has 16 divisors (see below), whose sum is σ = 7304223168. Its totient is φ = 2013574800.

The previous prime is 4446778199. The next prime is 4446778253. The reversal of 4446778226 is 6228776444.

It is an interprime number because it is at equal distance from previous prime (4446778199) and next prime (4446778253).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378485 + ... + 390056.

It is an arithmetic number, because the mean of its divisors is an integer number (456513948).

Almost surely, 2^4446778226 is an apocalyptic number.

4446778226 is a deficient number, since it is larger than the sum of its proper divisors (2857444942).

4446778226 is a wasteful number, since it uses less digits than its factorization.

4446778226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768817.

The product of its digits is 3612672, while the sum is 50.

The square root of 4446778226 is about 66684.1677311789. The cubic root of 4446778226 is about 1644.4291125431.

The spelling of 4446778226 in words is "four billion, four hundred forty-six million, seven hundred seventy-eight thousand, two hundred twenty-six".