224210142 has 24 divisors (see below), whose sum is σ = 523157544. Its totient is φ = 68987664.

The previous prime is 224210131. The next prime is 224210143. The reversal of 224210142 is 241012422.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224210143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478848 + ... + 479315.

It is an arithmetic number, because the mean of its divisors is an integer number (21798231).

Almost surely, 2^224210142 is an apocalyptic number.

224210142 is an abundant number, since it is smaller than the sum of its proper divisors (298947402).

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

224210142 is a wasteful number, since it uses less digits than its factorization.

224210142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958184 (or 958181 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 224210142 is about 14973.6482528474. The cubic root of 224210142 is about 607.5076501602.

Adding to 224210142 its reverse (241012422), we get a palindrome (465222564).

The spelling of 224210142 in words is "two hundred twenty-four million, two hundred ten thousand, one hundred forty-two".