224312142 has 8 divisors (see below), whose sum is σ = 448624296. Its totient is φ = 74770712.

The previous prime is 224312131. The next prime is 224312147. The reversal of 224312142 is 241213422.

It is a sphenic number, since it is the product of 3 distinct primes.

224312142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224312147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18692673 + ... + 18692684.

It is an arithmetic number, because the mean of its divisors is an integer number (56078037).

Almost surely, 2^224312142 is an apocalyptic number.

224312142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

224312142 is a wasteful number, since it uses less digits than its factorization.

224312142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37385362.

The product of its digits is 768, while the sum is 21.

The square root of 224312142 is about 14977.0538491387. The cubic root of 224312142 is about 607.5997607511.

Adding to 224312142 its reverse (241213422), we get a palindrome (465525564).

The spelling of 224312142 in words is "two hundred twenty-four million, three hundred twelve thousand, one hundred forty-two".