221423302202 has 8 divisors (see below), whose sum is σ = 337092191616. Its totient is φ = 109059238332.

The previous prime is 221423302181. The next prime is 221423302291. The reversal of 221423302202 is 202203324122.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 826206218 + ... + 826206485.

It is an arithmetic number, because the mean of its divisors is an integer number (42136523952).

Almost surely, 2^221423302202 is an apocalyptic number.

221423302202 is a deficient number, since it is larger than the sum of its proper divisors (115668889414).

221423302202 is a wasteful number, since it uses less digits than its factorization.

221423302202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652412772.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 221423302202 its reverse (202203324122), we get a palindrome (423626626324).

The spelling of 221423302202 in words is "two hundred twenty-one billion, four hundred twenty-three million, three hundred two thousand, two hundred two".