221422047264205 has 8 divisors (see below), whose sum is σ = 265706714839392. Its totient is φ = 177137465729808.

The previous prime is 221422047264137. The next prime is 221422047264239. The reversal of 221422047264205 is 502462740224122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221422047264205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15706227 + ... + 26258896.

It is an arithmetic number, because the mean of its divisors is an integer number (33213339354924).

Almost surely, 2^{221422047264205} is an apocalyptic number.

It is an amenable number.

221422047264205 is a deficient number, since it is larger than the sum of its proper divisors (44284667575187).

221422047264205 is a wasteful number, since it uses less digits than its factorization.

221422047264205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43020395.

The product of its (nonzero) digits is 860160, while the sum is 43.

Adding to 221422047264205 its reverse (502462740224122), we get a palindrome (723884787488327).

The spelling of 221422047264205 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, forty-seven million, two hundred sixty-four thousand, two hundred five".