444423122 has 16 divisors (see below), whose sum is σ = 783179712. Its totient is φ = 186471120.

The previous prime is 444423121. The next prime is 444423139. The reversal of 444423122 is 221324444.

It is a happy number.

It is a super-3 number, since 3×444423122³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 444423091 and 444423100.

It is not an unprimeable number, because it can be changed into a prime (444423121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776678 + ... + 777249.

It is an arithmetic number, because the mean of its divisors is an integer number (48948732).

Almost surely, 2^444423122 is an apocalyptic number.

444423122 is a deficient number, since it is larger than the sum of its proper divisors (338756590).

444423122 is a wasteful number, since it uses less digits than its factorization.

444423122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553953.

The product of its digits is 6144, while the sum is 26.

The square root of 444423122 is about 21081.3453555507. The cubic root of 444423122 is about 763.1306241208.

Adding to 444423122 its reverse (221324444), we get a palindrome (665747566).

The spelling of 444423122 in words is "four hundred forty-four million, four hundred twenty-three thousand, one hundred twenty-two".