242244618 has 64 divisors (see below), whose sum is σ = 606735360. Its totient is φ = 62640000.

The previous prime is 242244559. The next prime is 242244631. The reversal of 242244618 is 816442242.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114918 + ... + 117006.

It is an arithmetic number, because the mean of its divisors is an integer number (9480240).

Almost surely, 2^242244618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242244618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303367680).

242244618 is an abundant number, since it is smaller than the sum of its proper divisors (364490742).

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

242244618 is a wasteful number, since it uses less digits than its factorization.

242244618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363.

The product of its digits is 24576, while the sum is 33.

The square root of 242244618 is about 15564.2095205635. The cubic root of 242244618 is about 623.3778675672.

The spelling of 242244618 in words is "two hundred forty-two million, two hundred forty-four thousand, six hundred eighteen".