242199 has 12 divisors (see below), whose sum is σ = 370656. Its totient is φ = 151872.

The previous prime is 242197. The next prime is 242201. The reversal of 242199 is 991242.

It is an interprime number because it is at equal distance from previous prime (242197) and next prime (242201).

It is not a de Polignac number, because 242199 - 2¹ = 242197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639 + ... + 944.

It is an arithmetic number, because the mean of its divisors is an integer number (30888).

2²⁴²¹⁹⁹ is an apocalyptic number.

242199 is a deficient number, since it is larger than the sum of its proper divisors (128457).

242199 is a wasteful number, since it uses less digits than its factorization.

242199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606 (or 1603 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 242199 is about 492.1371759987. The cubic root of 242199 is about 62.3338734896. Note that the first 3 decimals are identical.

It can be divided in two parts, 242 and 199, that added together give a square (441 = 21²).

The spelling of 242199 in words is "two hundred forty-two thousand, one hundred ninety-nine".