444622206021 has 32 divisors (see below), whose sum is σ = 719429356800. Its totient is φ = 238439310336.

The previous prime is 444622205983. The next prime is 444622206053. The reversal of 444622206021 is 120602226444.

It is not a de Polignac number, because 444622206021 - 2¹⁸ = 444621943877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444622201021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1659706 + ... + 1908891.

It is an arithmetic number, because the mean of its divisors is an integer number (22482167400).

Almost surely, 2^444622206021 is an apocalyptic number.

It is an amenable number.

444622206021 is a deficient number, since it is larger than the sum of its proper divisors (274807150779).

444622206021 is a wasteful number, since it uses less digits than its factorization.

444622206021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568973.

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 444622206021 in words is "four hundred forty-four billion, six hundred twenty-two million, two hundred six thousand, twenty-one".