242166223 has 8 divisors (see below), whose sum is σ = 263484368. Its totient is φ = 221232384.

The previous prime is 242166193. The next prime is 242166227. The reversal of 242166223 is 322661242.

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 242166223 - 2¹³ = 242158031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242166191 and 242166200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242166227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94761 + ... + 97282.

It is an arithmetic number, because the mean of its divisors is an integer number (32935546).

Almost surely, 2^242166223 is an apocalyptic number.

242166223 is a deficient number, since it is larger than the sum of its proper divisors (21318145).

242166223 is a wasteful number, since it uses less digits than its factorization.

242166223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192153.

The product of its digits is 6912, while the sum is 28.

The square root of 242166223 is about 15561.6908785646. The cubic root of 242166223 is about 623.3106146377.

It can be divided in two parts, 2421 and 66223, that added together give a square (68644 = 262²).

The spelling of 242166223 in words is "two hundred forty-two million, one hundred sixty-six thousand, two hundred twenty-three".