12220075 has 12 divisors (see below), whose sum is σ = 17317840. Its totient is φ = 8379360.

The previous prime is 12220037. The next prime is 12220081. The reversal of 12220075 is 57002221.

It is not a de Polignac number, because 12220075 - 2¹¹ = 12218027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34740 + ... + 35089.

Almost surely, 2^12220075 is an apocalyptic number.

12220075 is a deficient number, since it is larger than the sum of its proper divisors (5097765).

12220075 is an equidigital number, since it uses as much as digits as its factorization.

12220075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69846 (or 69841 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 12220075 is about 3495.7223860026. The cubic root of 12220075 is about 230.3339509246. Note that the first 3 decimals are identical.

Adding to 12220075 its reverse (57002221), we get a palindrome (69222296).

The spelling of 12220075 in words is "twelve million, two hundred twenty thousand, seventy-five".