1022444425 has 6 divisors (see below), whose sum is σ = 1267831118. Its totient is φ = 817955520.

The previous prime is 1022444419. The next prime is 1022444441. The reversal of 1022444425 is 5244442201.

1022444425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 491401 + 1021953024 = 701^2 + 31968^2 .

It is not a de Polignac number, because 1022444425 - 2³ = 1022444417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022444393 and 1022444402.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20448864 + ... + 20448913.

Almost surely, 2^1022444425 is an apocalyptic number.

It is an amenable number.

1022444425 is a deficient number, since it is larger than the sum of its proper divisors (245386693).

1022444425 is an equidigital number, since it uses as much as digits as its factorization.

1022444425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40897787 (or 40897782 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 1022444425 is about 31975.6849027507. The cubic root of 1022444425 is about 1007.4261901854.

Adding to 1022444425 its reverse (5244442201), we get a palindrome (6266886626).

The spelling of 1022444425 in words is "one billion, twenty-two million, four hundred forty-four thousand, four hundred twenty-five".