22020272255725 has 6 divisors (see below), whose sum is σ = 27305137597130. Its totient is φ = 17616217804560.

The previous prime is 22020272255717. The next prime is 22020272255743. The reversal of 22020272255725 is 52755227202022.

It can be written as a sum of positive squares in 3 ways, for example, as 5736997411209 + 16283274844516 = 2395203^2 + 4035254^2 .

It is not a de Polignac number, because 22020272255725 - 2³ = 22020272255717 is a prime.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 440405445090 + ... + 440405445139.

Almost surely, 2^{22020272255725} is an apocalyptic number.

22020272255725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22020272255725 is a deficient number, since it is larger than the sum of its proper divisors (5284865341405).

22020272255725 is an equidigital number, since it uses as much as digits as its factorization.

22020272255725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880810890239 (or 880810890234 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 43.

Adding to 22020272255725 its reverse (52755227202022), we get a palindrome (74775499457747).

The spelling of 22020272255725 in words is "twenty-two trillion, twenty billion, two hundred seventy-two million, two hundred fifty-five thousand, seven hundred twenty-five".