221530672333307 has 8 divisors (see below), whose sum is σ = 222016669046832. Its totient is φ = 221044681065600.

The previous prime is 221530672333283. The next prime is 221530672333331. The reversal of 221530672333307 is 703333276035122.

It is an interprime number because it is at equal distance from previous prime (221530672333283) and next prime (221530672333331).

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-221530672333307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221530672333007) 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, 86264207 + ... + 88795127.

It is an arithmetic number, because the mean of its divisors is an integer number (27752083630854).

Almost surely, 2^{221530672333307} is an apocalyptic number.

221530672333307 is a deficient number, since it is larger than the sum of its proper divisors (485996713525).

221530672333307 is a wasteful number, since it uses less digits than its factorization.

221530672333307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722909.

The product of its (nonzero) digits is 2857680, while the sum is 47.

The spelling of 221530672333307 in words is "two hundred twenty-one trillion, five hundred thirty billion, six hundred seventy-two million, three hundred thirty-three thousand, three hundred seven".