444226563 has 24 divisors (see below), whose sum is σ = 714894336. Its totient is φ = 263497200.

The previous prime is 444226543. The next prime is 444226567. The reversal of 444226563 is 365622444.

It is not a de Polignac number, because 444226563 - 2⁶ = 444226499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (444226567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43083 + ... + 52388.

It is an arithmetic number, because the mean of its divisors is an integer number (29787264).

Almost surely, 2^444226563 is an apocalyptic number.

444226563 is a deficient number, since it is larger than the sum of its proper divisors (270667773).

444226563 is a wasteful number, since it uses less digits than its factorization.

444226563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95535 (or 95532 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 444226563 is about 21076.6829221298. The cubic root of 444226563 is about 763.0181019887.

The spelling of 444226563 in words is "four hundred forty-four million, two hundred twenty-six thousand, five hundred sixty-three".