266225002 has 4 divisors (see below), whose sum is σ = 399337506. Its totient is φ = 133112500.

The previous prime is 266224999. The next prime is 266225009. The reversal of 266225002 is 200522662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200522662 = 2 ⋅100261331.

It can be written as a sum of positive squares in only one way, i.e., 243079281 + 23145721 = 15591^2 + 4811^2 .

It is not an unprimeable number, because it can be changed into a prime (266225009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66556249 + ... + 66556252.

Almost surely, 2^266225002 is an apocalyptic number.

266225002 is a deficient number, since it is larger than the sum of its proper divisors (133112504).

266225002 is a wasteful number, since it uses less digits than its factorization.

266225002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133112503.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 266225002 is about 16316.4028511189. The cubic root of 266225002 is about 643.3040412506.

Adding to 266225002 its reverse (200522662), we get a palindrome (466747664).

The spelling of 266225002 in words is "two hundred sixty-six million, two hundred twenty-five thousand, two".