220212625 has 16 divisors (see below), whose sum is σ = 280680192. Its totient is φ = 172417200.

The previous prime is 220212617. The next prime is 220212637. The reversal of 220212625 is 526212022.

It is a happy number.

It is not a de Polignac number, because 220212625 - 2³ = 220212617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220212596 and 220212605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12867 + ... + 24616.

It is an arithmetic number, because the mean of its divisors is an integer number (17542512).

Almost surely, 2^220212625 is an apocalyptic number.

220212625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220212625 is a deficient number, since it is larger than the sum of its proper divisors (60467567).

220212625 is an equidigital number, since it uses as much as digits as its factorization.

220212625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37545 (or 37535 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 220212625 is about 14839.5628304880. The cubic root of 220212625 is about 603.8754924053.

Adding to 220212625 its reverse (526212022), we get a palindrome (746424647).

The spelling of 220212625 in words is "two hundred twenty million, two hundred twelve thousand, six hundred twenty-five".