44420220331 has 2 divisors, whose sum is σ = 44420220332. Its totient is φ = 44420220330.

The previous prime is 44420220319. The next prime is 44420220353. The reversal of 44420220331 is 13302202444.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44420220331 - 2⁷ = 44420220203 is a prime.

It is a super-2 number, since 2×44420220331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44420220296 and 44420220305.

It is not a weakly prime, because it can be changed into another prime (44420220301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22210110165 + 22210110166.

It is an arithmetic number, because the mean of its divisors is an integer number (22210110166).

Almost surely, 2^44420220331 is an apocalyptic number.

44420220331 is a deficient number, since it is larger than the sum of its proper divisors (1).

44420220331 is an equidigital number, since it uses as much as digits as its factorization.

44420220331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 44420220331 its reverse (13302202444), we get a palindrome (57722422775).

The spelling of 44420220331 in words is "forty-four billion, four hundred twenty million, two hundred twenty thousand, three hundred thirty-one".