242922239 has 16 divisors (see below), whose sum is σ = 292673280. Its totient is φ = 196966080.

The previous prime is 242922233. The next prime is 242922259. The reversal of 242922239 is 932229242.

It is a cyclic number.

It is not a de Polignac number, because 242922239 - 2⁴ = 242922223 is a prime.

It is a super-2 number, since 2×242922239² = 118022428401546242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242922199 and 242922208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242922233) 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, 157904 + ... + 159434.

It is an arithmetic number, because the mean of its divisors is an integer number (18292080).

Almost surely, 2^242922239 is an apocalyptic number.

242922239 is a deficient number, since it is larger than the sum of its proper divisors (49751041).

242922239 is a wasteful number, since it uses less digits than its factorization.

242922239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750.

The product of its digits is 31104, while the sum is 35.

The square root of 242922239 is about 15585.9628833127. The cubic root of 242922239 is about 623.9585762758.

The spelling of 242922239 in words is "two hundred forty-two million, nine hundred twenty-two thousand, two hundred thirty-nine".