202225144 has 16 divisors (see below), whose sum is σ = 413642520. Its totient is φ = 91920480.

The previous prime is 202225141. The next prime is 202225147. The reversal of 202225144 is 441522202.

202225144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202225141) and next prime (202225147).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202225141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148919 + ... + 1149094.

Almost surely, 2^202225144 is an apocalyptic number.

It is an amenable number.

202225144 is an abundant number, since it is smaller than the sum of its proper divisors (211417376).

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

202225144 is a wasteful number, since it uses less digits than its factorization.

202225144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298030 (or 2298026 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 202225144 is about 14220.5887360545. The cubic root of 202225144 is about 586.9643407279.

Adding to 202225144 its reverse (441522202), we get a palindrome (643747346).

The spelling of 202225144 in words is "two hundred two million, two hundred twenty-five thousand, one hundred forty-four".