243922105 has 16 divisors (see below), whose sum is σ = 345314304. Its totient is φ = 161864640.

The previous prime is 243922099. The next prime is 243922109. The reversal of 243922105 is 501229342.

It is not a de Polignac number, because 243922105 - 2³ = 243922097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243922109) 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, 111322 + ... + 113491.

It is an arithmetic number, because the mean of its divisors is an integer number (21582144).

Almost surely, 2^243922105 is an apocalyptic number.

It is an amenable number.

243922105 is a deficient number, since it is larger than the sum of its proper divisors (101392199).

243922105 is a wasteful number, since it uses less digits than its factorization.

243922105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224856.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 243922105 is about 15618.0057945949. The cubic root of 243922105 is about 624.8134739384.

The spelling of 243922105 in words is "two hundred forty-three million, nine hundred twenty-two thousand, one hundred five".