221422716674155 has 16 divisors (see below), whose sum is σ = 287322994558080. Its totient is φ = 163171083323392.

The previous prime is 221422716674129. The next prime is 221422716674167. The reversal of 221422716674155 is 551476617224122.

It is a cyclic number.

It is not a de Polignac number, because 221422716674155 - 2¹¹ = 221422716672107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221422716674096 and 221422716674105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27712476190 + ... + 27712484179.

It is an arithmetic number, because the mean of its divisors is an integer number (17957687159880).

Almost surely, 2^{221422716674155} is an apocalyptic number.

221422716674155 is a deficient number, since it is larger than the sum of its proper divisors (65900277883925).

221422716674155 is a wasteful number, since it uses less digits than its factorization.

221422716674155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55424960438.

The product of its digits is 11289600, while the sum is 55.

The spelling of 221422716674155 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, seven hundred sixteen million, six hundred seventy-four thousand, one hundred fifty-five".