221434100302 has 32 divisors (see below), whose sum is σ = 338376310272. Its totient is φ = 108665556384.

The previous prime is 221434100297. The next prime is 221434100347. The reversal of 221434100302 is 203001434122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10662693 + ... + 10683439.

It is an arithmetic number, because the mean of its divisors is an integer number (10574259696).

Almost surely, 2^221434100302 is an apocalyptic number.

221434100302 is a deficient number, since it is larger than the sum of its proper divisors (116942209970).

221434100302 is a wasteful number, since it uses less digits than its factorization.

221434100302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21312.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 221434100302 its reverse (203001434122), we get a palindrome (424435534424).

The spelling of 221434100302 in words is "two hundred twenty-one billion, four hundred thirty-four million, one hundred thousand, three hundred two".