210224142 has 24 divisors (see below), whose sum is σ = 482279616. Its totient is φ = 65952576.

The previous prime is 210224111. The next prime is 210224167. The reversal of 210224142 is 241422012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343198 + ... + 343809.

It is an arithmetic number, because the mean of its divisors is an integer number (20094984).

Almost surely, 2^210224142 is an apocalyptic number.

210224142 is an abundant number, since it is smaller than the sum of its proper divisors (272055474).

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

210224142 is a wasteful number, since it uses less digits than its factorization.

210224142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687032 (or 687029 counting only the distinct ones).

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

The square root of 210224142 is about 14499.1083174104. The cubic root of 210224142 is about 594.6035935040.

Adding to 210224142 its reverse (241422012), we get a palindrome (451646154).

It can be divided in two parts, 2102 and 24142, that added together give a square (26244 = 162²).

The spelling of 210224142 in words is "two hundred ten million, two hundred twenty-four thousand, one hundred forty-two".