221222010673 has 8 divisors (see below), whose sum is σ = 221535518400. Its totient is φ = 220908575088.

The previous prime is 221222010643. The next prime is 221222010703. The reversal of 221222010673 is 376010222122.

It is an interprime number because it is at equal distance from previous prime (221222010643) and next prime (221222010703).

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

It is a cyclic number.

It is not a de Polignac number, because 221222010673 - 2¹³ = 221222002481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221222010613) 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 7 ways as a sum of consecutive naturals, for example, 9743148 + ... + 9765826.

It is an arithmetic number, because the mean of its divisors is an integer number (27691939800).

Almost surely, 2^221222010673 is an apocalyptic number.

It is an amenable number.

221222010673 is a deficient number, since it is larger than the sum of its proper divisors (313507727).

221222010673 is a wasteful number, since it uses less digits than its factorization.

221222010673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36071.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 221222010673 its reverse (376010222122), we get a palindrome (597232232795).

The spelling of 221222010673 in words is "two hundred twenty-one billion, two hundred twenty-two million, ten thousand, six hundred seventy-three".