222105091 has 8 divisors (see below), whose sum is σ = 239389920. Its totient is φ = 204848832.

The previous prime is 222105053. The next prime is 222105109. The reversal of 222105091 is 190501222.

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 222105091 - 2⁹ = 222104579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222105001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10671 + ... + 23623.

It is an arithmetic number, because the mean of its divisors is an integer number (29923740).

Almost surely, 2^222105091 is an apocalyptic number.

222105091 is a deficient number, since it is larger than the sum of its proper divisors (17284829).

222105091 is a wasteful number, since it uses less digits than its factorization.

222105091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14285.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 222105091 is about 14903.1906315393. The cubic root of 222105091 is about 605.6004247961.

The spelling of 222105091 in words is "two hundred twenty-two million, one hundred five thousand, ninety-one".