242228305 has 8 divisors (see below), whose sum is σ = 317098944. Its totient is φ = 176166000.

The previous prime is 242228297. The next prime is 242228333. The reversal of 242228305 is 503822242.

It is a happy number.

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

It is not a de Polignac number, because 242228305 - 2³ = 242228297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2202021 + ... + 2202130.

It is an arithmetic number, because the mean of its divisors is an integer number (39637368).

Almost surely, 2^242228305 is an apocalyptic number.

It is an amenable number.

242228305 is a deficient number, since it is larger than the sum of its proper divisors (74870639).

242228305 is a wasteful number, since it uses less digits than its factorization.

242228305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404167.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 242228305 is about 15563.6854568576. The cubic root of 242228305 is about 623.3638742856.

The spelling of 242228305 in words is "two hundred forty-two million, two hundred twenty-eight thousand, three hundred five".