216266454333222 has 32 divisors (see below), whose sum is σ = 445307100805248. Its totient is φ = 69980356446336.

The previous prime is 216266454333191. The next prime is 216266454333227. The reversal of 216266454333222 is 222333454662612.

It is a super-2 number, since 2×216266454333222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216266454333227) 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, 2571252643 + ... + 2571336750.

It is an arithmetic number, because the mean of its divisors is an integer number (13915846900164).

Almost surely, 2^{216266454333222} is an apocalyptic number.

216266454333222 is an abundant number, since it is smaller than the sum of its proper divisors (229040646472026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216266454333222 is a wasteful number, since it uses less digits than its factorization.

216266454333222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142589604.

The product of its digits is 14929920, while the sum is 51.

The spelling of 216266454333222 in words is "two hundred sixteen trillion, two hundred sixty-six billion, four hundred fifty-four million, three hundred thirty-three thousand, two hundred twenty-two".