444221695 has 16 divisors (see below), whose sum is σ = 541054080. Its totient is φ = 350082304.

The previous prime is 444221689. The next prime is 444221699. The reversal of 444221695 is 596122444.

It is a cyclic number.

It is not a de Polignac number, because 444221695 - 2⁵ = 444221663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444221699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128682 + ... + 132088.

It is an arithmetic number, because the mean of its divisors is an integer number (33815880).

Almost surely, 2^444221695 is an apocalyptic number.

444221695 is a deficient number, since it is larger than the sum of its proper divisors (96832385).

444221695 is a wasteful number, since it uses less digits than its factorization.

444221695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794.

The product of its digits is 69120, while the sum is 37.

The square root of 444221695 is about 21076.5674387458. The cubic root of 444221695 is about 763.0153148330.

The spelling of 444221695 in words is "four hundred forty-four million, two hundred twenty-one thousand, six hundred ninety-five".