221967334246 has 16 divisors (see below), whose sum is σ = 383035403520. Its totient is φ = 94498864200.

The previous prime is 221967334243. The next prime is 221967334307. The reversal of 221967334246 is 642433769122.

It is a self number, because there is not a number n which added to its sum of digits gives 221967334246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221967334243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52497256 + ... + 52501483.

It is an arithmetic number, because the mean of its divisors is an integer number (23939712720).

Almost surely, 2^221967334246 is an apocalyptic number.

221967334246 is a deficient number, since it is larger than the sum of its proper divisors (161068069274).

221967334246 is a wasteful number, since it uses less digits than its factorization.

221967334246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104998899.

The product of its digits is 2612736, while the sum is 49.

The spelling of 221967334246 in words is "two hundred twenty-one billion, nine hundred sixty-seven million, three hundred thirty-four thousand, two hundred forty-six".