242246988 has 18 divisors (see below), whose sum is σ = 612346644. Its totient is φ = 80748984.

The previous prime is 242246951. The next prime is 242246999. The reversal of 242246988 is 889642242.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3364506 + ... + 3364577.

It is an arithmetic number, because the mean of its divisors is an integer number (34019258).

Almost surely, 2^242246988 is an apocalyptic number.

It is an amenable number.

242246988 is an abundant number, since it is smaller than the sum of its proper divisors (370099656).

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

242246988 is a wasteful number, since it uses less digits than its factorization.

242246988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6729093 (or 6729088 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 242246988 is about 15564.2856565921. The cubic root of 242246988 is about 623.3799004995.

The spelling of 242246988 in words is "two hundred forty-two million, two hundred forty-six thousand, nine hundred eighty-eight".