242522355 has 16 divisors (see below), whose sum is σ = 388239264. Its totient is φ = 129277440.

The previous prime is 242522347. The next prime is 242522359. The reversal of 242522355 is 553225242.

It is not a de Polignac number, because 242522355 - 2³ = 242522347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242522359) 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, 40665 + ... + 46245.

It is an arithmetic number, because the mean of its divisors is an integer number (24264954).

Almost surely, 2^242522355 is an apocalyptic number.

242522355 is a deficient number, since it is larger than the sum of its proper divisors (145716909).

242522355 is a wasteful number, since it uses less digits than its factorization.

242522355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8486.

The product of its digits is 24000, while the sum is 30.

The square root of 242522355 is about 15573.1292616481. The cubic root of 242522355 is about 623.6160138606.

Adding to 242522355 its reverse (553225242), we get a palindrome (795747597).

The spelling of 242522355 in words is "two hundred forty-two million, five hundred twenty-two thousand, three hundred fifty-five".