221423000210 has 32 divisors (see below), whose sum is σ = 401725507392. Its totient is φ = 87866475840.

The previous prime is 221423000209. The next prime is 221423000219. The reversal of 221423000210 is 12000324122.

It is not an unprimeable number, because it can be changed into a prime (221423000219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4622744 + ... + 4670396.

It is an arithmetic number, because the mean of its divisors is an integer number (12553922106).

Almost surely, 2^221423000210 is an apocalyptic number.

221423000210 is a deficient number, since it is larger than the sum of its proper divisors (180302507182).

221423000210 is a wasteful number, since it uses less digits than its factorization.

221423000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51338.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 221423000210 its reverse (12000324122), we get a palindrome (233423324332).

The spelling of 221423000210 in words is "two hundred twenty-one billion, four hundred twenty-three million, two hundred ten", and thus it is an aban number.