242247726 has 64 divisors (see below), whose sum is σ = 623731200. Its totient is φ = 68257728.

The previous prime is 242247673. The next prime is 242247737. The reversal of 242247726 is 627742242.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 23205 + ... + 31983.

It is an arithmetic number, because the mean of its divisors is an integer number (9745800).

Almost surely, 2^242247726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242247726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311865600).

242247726 is an abundant number, since it is smaller than the sum of its proper divisors (381483474).

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

242247726 is a wasteful number, since it uses less digits than its factorization.

242247726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8870 (or 8864 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 242247726 is about 15564.3093646972. The cubic root of 242247726 is about 623.3805335365.

Adding to 242247726 its reverse (627742242), we get a palindrome (869989968).

The spelling of 242247726 in words is "two hundred forty-two million, two hundred forty-seven thousand, seven hundred twenty-six".