44422121331 has 20 divisors (see below), whose sum is σ = 75838825392. Its totient is φ = 25384069008.

The previous prime is 44422121329. The next prime is 44422121369. The reversal of 44422121331 is 13312122444.

44422121331 is a `hidden beast` number, since 4 + 442 + 2 + 1 + 213 + 3 + 1 = 666.

It is not a de Polignac number, because 44422121331 - 2¹ = 44422121329 is a prime.

It is a super-2 number, since 2×44422121331² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 44422121295 and 44422121304.

It is not an unprimeable number, because it can be changed into a prime (44422121311) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39172380 + ... + 39173513.

Almost surely, 2^44422121331 is an apocalyptic number.

44422121331 is a deficient number, since it is larger than the sum of its proper divisors (31416704061).

44422121331 is an equidigital number, since it uses as much as digits as its factorization.

44422121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78345912 (or 78345903 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 44422121331 its reverse (13312122444), we get a palindrome (57734243775).

The spelling of 44422121331 in words is "forty-four billion, four hundred twenty-two million, one hundred twenty-one thousand, three hundred thirty-one".