444222226044 has 72 divisors (see below), whose sum is σ = 1171818779040. Its totient is φ = 141623720832.

The previous prime is 444222226031. The next prime is 444222226057. The reversal of 444222226044 is 440622222444.

444222226044 is a `hidden beast` number, since 4 + 4 + 4 + 2 + 22 + 22 + 604 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (444222226031) and next prime (444222226057).

It is a super-2 number, since 2×444222226044² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16643542 + ... + 16670210.

It is an arithmetic number, because the mean of its divisors is an integer number (16275260820).

Almost surely, 2^444222226044 is an apocalyptic number.

It is an amenable number.

444222226044 is an abundant number, since it is smaller than the sum of its proper divisors (727596552996).

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

444222226044 is a wasteful number, since it uses less digits than its factorization.

444222226044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46819 (or 46814 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 444222226044 its reverse (440622222444), we get a palindrome (884844448488).

The spelling of 444222226044 in words is "four hundred forty-four billion, two hundred twenty-two million, two hundred twenty-six thousand, forty-four".