222464142 has 96 divisors (see below), whose sum is σ = 541090368. Its totient is φ = 65691648.

The previous prime is 222464101. The next prime is 222464149. The reversal of 222464142 is 241464222.

222464142 is a `hidden beast` number, since 2 + 2 + 246 + 414 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222464149) 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 47 ways as a sum of consecutive naturals, for example, 513558 + ... + 513990.

It is an arithmetic number, because the mean of its divisors is an integer number (5636358).

Almost surely, 2^222464142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222464142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270545184).

222464142 is an abundant number, since it is smaller than the sum of its proper divisors (318626226).

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

222464142 is a wasteful number, since it uses less digits than its factorization.

222464142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 551 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 222464142 is about 14915.2318788546. The cubic root of 222464142 is about 605.9265832701.

It can be divided in two parts, 2224 and 64142, that added together give a palindrome (66366).

The spelling of 222464142 in words is "two hundred twenty-two million, four hundred sixty-four thousand, one hundred forty-two".