202230440 has 32 divisors (see below), whose sum is σ = 461258280. Its totient is φ = 79782912.

The previous prime is 202230439. The next prime is 202230451. The reversal of 202230440 is 44032202.

It can be written as a sum of positive squares in 4 ways, for example, as 187744804 + 14485636 = 13702^2 + 3806^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31709 + ... + 37548.

Almost surely, 2^202230440 is an apocalyptic number.

202230440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202230440 is an abundant number, since it is smaller than the sum of its proper divisors (259027840).

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

202230440 is a wasteful number, since it uses less digits than its factorization.

202230440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69341 (or 69337 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 202230440 is about 14220.7749437223. The cubic root of 202230440 is about 586.9694646143.

Adding to 202230440 its reverse (44032202), we get a palindrome (246262642).

The spelling of 202230440 in words is "two hundred two million, two hundred thirty thousand, four hundred forty".