444021110022 has 64 divisors (see below), whose sum is σ = 1020129352704. Its totient is φ = 126211478400.

The previous prime is 444021109999. The next prime is 444021110023. The reversal of 444021110022 is 220011120444.

It is a super-2 number, since 2×444021110022² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444021110023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8335272 + ... + 8388372.

It is an arithmetic number, because the mean of its divisors is an integer number (15939521136).

Almost surely, 2^444021110022 is an apocalyptic number.

444021110022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

444021110022 is an abundant number, since it is smaller than the sum of its proper divisors (576108242682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444021110022 is a wasteful number, since it uses less digits than its factorization.

444021110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54133.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 444021110022 its reverse (220011120444), we get a palindrome (664032230466).

The spelling of 444021110022 in words is "four hundred forty-four billion, twenty-one million, one hundred ten thousand, twenty-two".