22000133025 has 72 divisors (see below), whose sum is σ = 42486223416. Its totient is φ = 10817971200.

The previous prime is 22000132961. The next prime is 22000133053. The reversal of 22000133025 is 52033100022.

It can be written as a sum of positive squares in 12 ways, for example, as 13736777616 + 8263355409 = 117204^2 + 90903^2 .

It is not a de Polignac number, because 22000133025 - 2⁶ = 22000132961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22000132989 and 22000133007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2748429 + ... + 2756421.

Almost surely, 2^22000133025 is an apocalyptic number.

22000133025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22000133025 is a deficient number, since it is larger than the sum of its proper divisors (20486090391).

22000133025 is a wasteful number, since it uses less digits than its factorization.

22000133025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8963 (or 8955 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 22000133025 its reverse (52033100022), we get a palindrome (74033233047).

The spelling of 22000133025 in words is "twenty-two billion, one hundred thirty-three thousand, twenty-five".