242242226 has 4 divisors (see below), whose sum is σ = 363363342. Its totient is φ = 121121112.

The previous prime is 242242201. The next prime is 242242237. The reversal of 242242226 is 622242242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622242242 = 2 ⋅311121121.

It can be written as a sum of positive squares in only one way, i.e., 198669025 + 43573201 = 14095^2 + 6601^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 242242195 and 242242204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560555 + ... + 60560558.

Almost surely, 2^242242226 is an apocalyptic number.

242242226 is a deficient number, since it is larger than the sum of its proper divisors (121121116).

242242226 is a wasteful number, since it uses less digits than its factorization.

242242226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121121115.

The product of its digits is 6144, while the sum is 26.

The square root of 242242226 is about 15564.1326774093. The cubic root of 242242226 is about 623.3758157503.

Adding to 242242226 its reverse (622242242), we get a palindrome (864484468).

The spelling of 242242226 in words is "two hundred forty-two million, two hundred forty-two thousand, two hundred twenty-six".