242210556 has 72 divisors (see below), whose sum is σ = 736561280. Its totient is φ = 65559456.

The previous prime is 242210513. The next prime is 242210557. The reversal of 242210556 is 655012242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242210557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20506 + ... + 30081.

Almost surely, 2^242210556 is an apocalyptic number.

It is an amenable number.

242210556 is an abundant number, since it is smaller than the sum of its proper divisors (494350724).

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

242210556 is a wasteful number, since it uses less digits than its factorization.

242210556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50623 (or 50618 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 242210556 is about 15563.1152408507. The cubic root of 242210556 is about 623.3486484905.

Adding to 242210556 its reverse (655012242), we get a palindrome (897222798).

The spelling of 242210556 in words is "two hundred forty-two million, two hundred ten thousand, five hundred fifty-six".