202224440 has 64 divisors (see below), whose sum is σ = 499102560. Its totient is φ = 73131520.

The previous prime is 202224431. The next prime is 202224479. The reversal of 202224440 is 44422202.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 15 ways as a sum of consecutive naturals, for example, 85514 + ... + 87846.

Almost surely, 2^202224440 is an apocalyptic number.

202224440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202224440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249551280).

202224440 is an abundant number, since it is smaller than the sum of its proper divisors (296878120).

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

202224440 is a wasteful number, since it uses less digits than its factorization.

202224440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552 (or 2548 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 202224440 is about 14220.5639831900. The cubic root of 202224440 is about 586.9636596003.

Adding to 202224440 its reverse (44422202), we get a palindrome (246646642).

It can be divided in two parts, 2022 and 24440, that added together give a palindrome (26462).

The spelling of 202224440 in words is "two hundred two million, two hundred twenty-four thousand, four hundred forty".