22223022025 has 6 divisors (see below), whose sum is σ = 27556547342. Its totient is φ = 17778417600.

The previous prime is 22223022001. The next prime is 22223022037. The reversal of 22223022025 is 52022032222.

It can be written as a sum of positive squares in 3 ways, for example, as 1833466761 + 20389555264 = 42819^2 + 142792^2 .

It is not a de Polignac number, because 22223022025 - 2¹¹ = 22223019977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22223021987 and 22223022005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 444460416 + ... + 444460465.

Almost surely, 2^22223022025 is an apocalyptic number.

22223022025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22223022025 is a deficient number, since it is larger than the sum of its proper divisors (5333525317).

22223022025 is an equidigital number, since it uses as much as digits as its factorization.

22223022025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888920891 (or 888920886 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 22223022025 its reverse (52022032222), we get a palindrome (74245054247).

The spelling of 22223022025 in words is "twenty-two billion, two hundred twenty-three million, twenty-two thousand, twenty-five".