221302004323204 has 12 divisors (see below), whose sum is σ = 442604008646464. Its totient is φ = 94843716138504.

The previous prime is 221302004323199. The next prime is 221302004323219. The reversal of 221302004323204 is 402323400203122.

221302004323204 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 7903643011543 = 221302004323204 / (2 + 2 + 1 + 3 + 0 + 2 + 0 + 0 + 4 + 3 + 2 + 3 + 2 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3951821505744 + ... + 3951821505799.

Almost surely, 2^{221302004323204} is an apocalyptic number.

It is an amenable number.

221302004323204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221302004323204 is a wasteful number, since it uses less digits than its factorization.

221302004323204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7903643011554 (or 7903643011552 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 221302004323204 its reverse (402323400203122), we get a palindrome (623625404526326).

The spelling of 221302004323204 in words is "two hundred twenty-one trillion, three hundred two billion, four million, three hundred twenty-three thousand, two hundred four".