242222424 has 64 divisors (see below), whose sum is σ = 637187040. Its totient is φ = 76631040.

The previous prime is 242222423. The next prime is 242222441. The reversal of 242222424 is 424222242.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 242222394 and 242222403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242222423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33082 + ... + 39734.

Almost surely, 2^242222424 is an apocalyptic number.

242222424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242222424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318593520).

242222424 is an abundant number, since it is smaller than the sum of its proper divisors (394964616).

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

242222424 is a wasteful number, since it uses less digits than its factorization.

242222424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6740 (or 6736 counting only the distinct ones).

The product of its digits is 4096, while the sum is 24.

The square root of 242222424 is about 15563.4965223114. The cubic root of 242222424 is about 623.3588294133.

Adding to 242222424 its reverse (424222242), we get a palindrome (666444666).

The spelling of 242222424 in words is "two hundred forty-two million, two hundred twenty-two thousand, four hundred twenty-four".