202566225 has 24 divisors (see below), whose sum is σ = 338683680. Its totient is φ = 106817920.

The previous prime is 202566223. The next prime is 202566233. The reversal of 202566225 is 522665202.

It is not a de Polignac number, because 202566225 - 2¹ = 202566223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202566192 and 202566201.

It is not an unprimeable number, because it can be changed into a prime (202566223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8499 + ... + 21848.

It is an arithmetic number, because the mean of its divisors is an integer number (14111820).

Almost surely, 2^202566225 is an apocalyptic number.

202566225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202566225 is a deficient number, since it is larger than the sum of its proper divisors (136117455).

202566225 is a wasteful number, since it uses less digits than its factorization.

202566225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30449 (or 30444 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 202566225 is about 14232.5761898540. The cubic root of 202566225 is about 587.2941545338.

It can be divided in two parts, 20 and 2566225, that added together give a triangular number (2566245 = T₂₂₆₅).

The spelling of 202566225 in words is "two hundred two million, five hundred sixty-six thousand, two hundred twenty-five".