221429482635704 has 128 divisors (see below), whose sum is σ = 525284661657600. Its totient is φ = 85317717260160.

The previous prime is 221429482635679. The next prime is 221429482635709. The reversal of 221429482635704 is 407536284924122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221429482635709) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 32515202 + ... + 38731089.

It is an arithmetic number, because the mean of its divisors is an integer number (4103786419200).

It is a 1-persistent number, because it is pandigital, but 2⋅221429482635704 = 442858965271408 is not.

Almost surely, 2^{221429482635704} is an apocalyptic number.

It is an amenable number.

221429482635704 is an abundant number, since it is smaller than the sum of its proper divisors (303855179021896).

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

221429482635704 is a wasteful number, since it uses less digits than its factorization.

221429482635704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71246473 (or 71246469 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 59.

The spelling of 221429482635704 in words is "two hundred twenty-one trillion, four hundred twenty-nine billion, four hundred eighty-two million, six hundred thirty-five thousand, seven hundred four".