4446226406 has 4 divisors (see below), whose sum is σ = 6669339612. Its totient is φ = 2223113202.

The previous prime is 4446226399. The next prime is 4446226453. The reversal of 4446226406 is 6046226444.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4446226406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111556600 + ... + 1111556603.

It is an arithmetic number, because the mean of its divisors is an integer number (1667334903).

Almost surely, 2^4446226406 is an apocalyptic number.

4446226406 is a deficient number, since it is larger than the sum of its proper divisors (2223113206).

4446226406 is a wasteful number, since it uses less digits than its factorization.

4446226406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223113205.

The product of its (nonzero) digits is 221184, while the sum is 38.

The square root of 4446226406 is about 66680.0300389854. The cubic root of 4446226406 is about 1644.3610882818.

Adding to 4446226406 its sum of digits (38), we get a palindrome (4446226444).

The spelling of 4446226406 in words is "four billion, four hundred forty-six million, two hundred twenty-six thousand, four hundred six".