202223240 has 16 divisors (see below), whose sum is σ = 455002380. Its totient is φ = 80889280.

The previous prime is 202223237. The next prime is 202223297. The reversal of 202223240 is 42322202.

It can be written as a sum of positive squares in 2 ways, for example, as 201129124 + 1094116 = 14182^2 + 1046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527751 + ... + 2527830.

Almost surely, 2^202223240 is an apocalyptic number.

202223240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202223240 is an abundant number, since it is smaller than the sum of its proper divisors (252779140).

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

202223240 is a wasteful number, since it uses less digits than its factorization.

202223240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055592 (or 5055588 counting only the distinct ones).

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

The square root of 202223240 is about 14220.5217907080. The cubic root of 202223240 is about 586.9624985837.

Adding to 202223240 its reverse (42322202), we get a palindrome (244545442).

The spelling of 202223240 in words is "two hundred two million, two hundred twenty-three thousand, two hundred forty".