242497228 has 12 divisors (see below), whose sum is σ = 446705560. Its totient is φ = 114867072.

The previous prime is 242497183. The next prime is 242497237. The reversal of 242497228 is 822794242.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1595301 + ... + 1595452.

Almost surely, 2^242497228 is an apocalyptic number.

It is an amenable number.

242497228 is a deficient number, since it is larger than the sum of its proper divisors (204208332).

242497228 is a wasteful number, since it uses less digits than its factorization.

242497228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190776 (or 3190774 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 242497228 is about 15572.3224985870. The cubic root of 242497228 is about 623.5944761336.

The spelling of 242497228 in words is "two hundred forty-two million, four hundred ninety-seven thousand, two hundred twenty-eight".