242258228 has 24 divisors (see below), whose sum is σ = 464373000. Its totient is φ = 110071808.

The previous prime is 242258207. The next prime is 242258239. The reversal of 242258228 is 822852242.

It can be written as a sum of positive squares in 4 ways, for example, as 60871204 + 181387024 = 7802^2 + 13468^2 .

It is a congruent 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, 59453 + ... + 63396.

It is an arithmetic number, because the mean of its divisors is an integer number (19348875).

Almost surely, 2^242258228 is an apocalyptic number.

It is an amenable number.

242258228 is a deficient number, since it is larger than the sum of its proper divisors (222114772).

242258228 is a wasteful number, since it uses less digits than its factorization.

242258228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122899 (or 122897 counting only the distinct ones).

The product of its digits is 40960, while the sum is 35.

The square root of 242258228 is about 15564.6467354707. The cubic root of 242258228 is about 623.3895417363.

The spelling of 242258228 in words is "two hundred forty-two million, two hundred fifty-eight thousand, two hundred twenty-eight".