242326215 has 16 divisors (see below), whose sum is σ = 430802400. Its totient is φ = 129240576.

The previous prime is 242326213. The next prime is 242326237. The reversal of 242326215 is 512623242.

It is a happy number.

242326215 is a `hidden beast` number, since 2 + 4 + 2 + 32 + 621 + 5 = 666.

It is not a de Polignac number, because 242326215 - 2¹ = 242326213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242326213) 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, 897370 + ... + 897639.

It is an arithmetic number, because the mean of its divisors is an integer number (26925150).

Almost surely, 2^242326215 is an apocalyptic number.

242326215 is a deficient number, since it is larger than the sum of its proper divisors (188476185).

242326215 is a wasteful number, since it uses less digits than its factorization.

242326215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795023 (or 1795017 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 242326215 is about 15566.8306022774. The cubic root of 242326215 is about 623.4478519961.

Adding to 242326215 its reverse (512623242), we get a palindrome (754949457).

The spelling of 242326215 in words is "two hundred forty-two million, three hundred twenty-six thousand, two hundred fifteen".