444770225 has 6 divisors (see below), whose sum is σ = 551515110. Its totient is φ = 355816160.

The previous prime is 444770219. The next prime is 444770257. The reversal of 444770225 is 522077444.

It can be written as a sum of positive squares in 3 ways, for example, as 698896 + 444071329 = 836^2 + 21073^2 .

It is not a de Polignac number, because 444770225 - 2¹⁸ = 444508081 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8895380 + ... + 8895429.

It is an arithmetic number, because the mean of its divisors is an integer number (91919185).

Almost surely, 2^444770225 is an apocalyptic number.

It is an amenable number.

444770225 is a deficient number, since it is larger than the sum of its proper divisors (106744885).

444770225 is a wasteful number, since it uses less digits than its factorization.

444770225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17790819 (or 17790814 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 35.

The square root of 444770225 is about 21089.5762167000. The cubic root of 444770225 is about 763.3292456489.

The spelling of 444770225 in words is "four hundred forty-four million, seven hundred seventy thousand, two hundred twenty-five".