242306522 has 4 divisors (see below), whose sum is σ = 363459786. Its totient is φ = 121153260.

The previous prime is 242306521. The next prime is 242306527. The reversal of 242306522 is 225603242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 158785201 + 83521321 = 12601^2 + 9139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242306491 and 242306500.

It is not an unprimeable number, because it can be changed into a prime (242306521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60576629 + ... + 60576632.

Almost surely, 2^242306522 is an apocalyptic number.

242306522 is a deficient number, since it is larger than the sum of its proper divisors (121153264).

242306522 is a wasteful number, since it uses less digits than its factorization.

242306522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121153263.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 242306522 is about 15566.1980586141. The cubic root of 242306522 is about 623.4309630665.

Adding to 242306522 its reverse (225603242), we get a palindrome (467909764).

The spelling of 242306522 in words is "two hundred forty-two million, three hundred six thousand, five hundred twenty-two".