202421244 has 48 divisors (see below), whose sum is σ = 505764000. Its totient is φ = 62785536.

The previous prime is 202421239. The next prime is 202421267. The reversal of 202421244 is 442124202.

202421244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 202421244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12582 + ... + 23730.

It is an arithmetic number, because the mean of its divisors is an integer number (10536750).

Almost surely, 2^202421244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202421244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252882000).

202421244 is an abundant number, since it is smaller than the sum of its proper divisors (303342756).

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

202421244 is a wasteful number, since it uses less digits than its factorization.

202421244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11262 (or 11260 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 202421244 is about 14227.4819978800. The cubic root of 202421244 is about 587.1540080778.

Adding to 202421244 its reverse (442124202), we get a palindrome (644545446).

The spelling of 202421244 in words is "two hundred two million, four hundred twenty-one thousand, two hundred forty-four".