22251501120325 has 12 divisors (see below), whose sum is σ = 27639680924260. Its totient is φ = 17770349583360.

The previous prime is 22251501120323. The next prime is 22251501120337. The reversal of 22251501120325 is 52302110515222.

It can be written as a sum of positive squares in 6 ways, for example, as 1001604643204 + 21249896477121 = 1000802^2 + 4609761^2 .

It is not a de Polignac number, because 22251501120325 - 2¹ = 22251501120323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22251501120323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 771268110 + ... + 771296959.

Almost surely, 2^{22251501120325} is an apocalyptic number.

22251501120325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22251501120325 is a deficient number, since it is larger than the sum of its proper divisors (5388179803935).

22251501120325 is a wasteful number, since it uses less digits than its factorization.

22251501120325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542565656 (or 1542565651 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 22251501120325 its reverse (52302110515222), we get a palindrome (74553611635547).

The spelling of 22251501120325 in words is "twenty-two trillion, two hundred fifty-one billion, five hundred one million, one hundred twenty thousand, three hundred twenty-five".