242208636 has 12 divisors (see below), whose sum is σ = 565153512. Its totient is φ = 80736208.

The previous prime is 242208583. The next prime is 242208641. The reversal of 242208636 is 636802242.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 242208597 and 242208606.

It is a congruent number.

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, 10092015 + ... + 10092038.

It is an arithmetic number, because the mean of its divisors is an integer number (47096126).

Almost surely, 2^242208636 is an apocalyptic number.

It is an amenable number.

242208636 is an abundant number, since it is smaller than the sum of its proper divisors (322944876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242208636 is a wasteful number, since it uses less digits than its factorization.

242208636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20184060 (or 20184058 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 242208636 is about 15563.0535564201. The cubic root of 242208636 is about 623.3470013939.

The spelling of 242208636 in words is "two hundred forty-two million, two hundred eight thousand, six hundred thirty-six".