222109975 has 12 divisors (see below), whose sum is σ = 277857216. Its totient is φ = 176113280.

The previous prime is 222109969. The next prime is 222109991. The reversal of 222109975 is 579901222.

222109975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222109975 - 2⁷ = 222109847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36487 + ... + 42136.

It is an arithmetic number, because the mean of its divisors is an integer number (23154768).

Almost surely, 2^222109975 is an apocalyptic number.

222109975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

222109975 is a deficient number, since it is larger than the sum of its proper divisors (55747241).

222109975 is a wasteful number, since it uses less digits than its factorization.

222109975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78746 (or 78741 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 222109975 is about 14903.3544881681. The cubic root of 222109975 is about 605.6048637320.

The spelling of 222109975 in words is "two hundred twenty-two million, one hundred nine thousand, nine hundred seventy-five".