220522235225 has 48 divisors (see below), whose sum is σ = 286512804864. Its totient is φ = 168232680000.

The previous prime is 220522235137. The next prime is 220522235249. The reversal of 220522235225 is 522532225022.

It is not a de Polignac number, because 220522235225 - 2¹⁸ = 220521973081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220522235191 and 220522235200.

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 47 ways as a sum of consecutive naturals, for example, 7847450 + ... + 7875500.

It is an arithmetic number, because the mean of its divisors is an integer number (5969016768).

Almost surely, 2^220522235225 is an apocalyptic number.

220522235225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220522235225 is a deficient number, since it is larger than the sum of its proper divisors (65990569639).

220522235225 is a wasteful number, since it uses less digits than its factorization.

220522235225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28278 (or 28273 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The spelling of 220522235225 in words is "two hundred twenty billion, five hundred twenty-two million, two hundred thirty-five thousand, two hundred twenty-five".