22501545130250 has 32 divisors (see below), whose sum is σ = 42699918442896. Its totient is φ = 8877321907200.

The previous prime is 22501545130237. The next prime is 22501545130301. The reversal of 22501545130250 is 5203154510522.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6169631209 + 22495375499041 = 78547^2 + 4742929^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22501545130250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616462439 + ... + 616498938.

Almost surely, 2^{22501545130250} is an apocalyptic number.

22501545130250 is a deficient number, since it is larger than the sum of its proper divisors (20198373312646).

22501545130250 is a wasteful number, since it uses less digits than its factorization.

22501545130250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232961467 (or 1232961457 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 22501545130250 its reverse (5203154510522), we get a palindrome (27704699640772).

The spelling of 22501545130250 in words is "twenty-two trillion, five hundred one billion, five hundred forty-five million, one hundred thirty thousand, two hundred fifty".