202042224 has 30 divisors (see below), whose sum is σ = 565438016. Its totient is φ = 67347360.

The previous prime is 202042207. The next prime is 202042231. The reversal of 202042224 is 422240202.

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

It is a junction number, because it is equal to n+sod(n) for n = 202042197 and 202042206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 701392 + ... + 701679.

Almost surely, 2^202042224 is an apocalyptic number.

202042224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

202042224 is an abundant number, since it is smaller than the sum of its proper divisors (363395792).

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

202042224 is a wasteful number, since it uses less digits than its factorization.

202042224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403085 (or 1403076 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 202042224 is about 14214.1557610714. The cubic root of 202042224 is about 586.7873104734.

Adding to 202042224 its reverse (422240202), we get a palindrome (624282426).

It can be divided in two parts, 2020 and 42224, that added together give a palindrome (44244).

The spelling of 202042224 in words is "two hundred two million, forty-two thousand, two hundred twenty-four".