242228426 has 8 divisors (see below), whose sum is σ = 396373824. Its totient is φ = 110103820.

The previous prime is 242228351. The next prime is 242228449. The reversal of 242228426 is 624822242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×242228426² = 117349220724874952, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 242228392 and 242228401.

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 in 3 ways as a sum of consecutive naturals, for example, 5505170 + ... + 5505213.

It is an arithmetic number, because the mean of its divisors is an integer number (49546728).

Almost surely, 2^242228426 is an apocalyptic number.

242228426 is a deficient number, since it is larger than the sum of its proper divisors (154145398).

242228426 is a wasteful number, since it uses less digits than its factorization.

242228426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010396.

The product of its digits is 24576, while the sum is 32.

The square root of 242228426 is about 15563.6893441112. The cubic root of 242228426 is about 623.3639780817.

The spelling of 242228426 in words is "two hundred forty-two million, two hundred twenty-eight thousand, four hundred twenty-six".