221966970472833 has 16 divisors (see below), whose sum is σ = 313366005726336. Its totient is φ = 139273006152960.

The previous prime is 221966970472817. The next prime is 221966970472861. The reversal of 221966970472833 is 338274079669122.

It is not a de Polignac number, because 221966970472833 - 2⁴ = 221966970472817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221966970472873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13068135 + ... + 24793347.

It is an arithmetic number, because the mean of its divisors is an integer number (19585375357896).

Almost surely, 2^{221966970472833} is an apocalyptic number.

It is an amenable number.

221966970472833 is a deficient number, since it is larger than the sum of its proper divisors (91399035253503).

221966970472833 is a wasteful number, since it uses less digits than its factorization.

221966970472833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12096424.

The product of its (nonzero) digits is 329204736, while the sum is 69.

The spelling of 221966970472833 in words is "two hundred twenty-one trillion, nine hundred sixty-six billion, nine hundred seventy million, four hundred seventy-two thousand, eight hundred thirty-three".