242455422 has 48 divisors (see below), whose sum is σ = 540813312. Its totient is φ = 71864880.

The previous prime is 242455417. The next prime is 242455429. The reversal of 242455422 is 224554242.

242455422 is nontrivially palindromic in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 242455422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242455429) 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, 144963 + ... + 146625.

It is an arithmetic number, because the mean of its divisors is an integer number (11266944).

Almost surely, 2^242455422 is an apocalyptic number.

242455422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 242455422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270406656).

242455422 is an abundant number, since it is smaller than the sum of its proper divisors (298357890).

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

242455422 is a wasteful number, since it uses less digits than its factorization.

242455422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773 (or 1726 counting only the distinct ones).

The product of its digits is 25600, while the sum is 30.

The square root of 242455422 is about 15570.9801232935. The cubic root of 242455422 is about 623.5586386258.

It can be divided in two parts, 2 and 42455422, that added together give a palindrome (42455424).

The spelling of 242455422 in words is "two hundred forty-two million, four hundred fifty-five thousand, four hundred twenty-two".