221300069762 has 6 divisors (see below), whose sum is σ = 331951102569. Its totient is φ = 110649702240.

The previous prime is 221300069741. The next prime is 221300069797. The reversal of 221300069762 is 267960003122.

It can be written as a sum of positive squares in 2 ways, for example, as 202904301601 + 18395768161 = 450449^2 + 135631^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=332641.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 498962 + ... + 831602.

Almost surely, 2^221300069762 is an apocalyptic number.

221300069762 is a deficient number, since it is larger than the sum of its proper divisors (110651032807).

221300069762 is an frugal number, since it uses more digits than its factorization.

221300069762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665284 (or 332643 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 221300069762 in words is "two hundred twenty-one billion, three hundred million, sixty-nine thousand, seven hundred sixty-two".