15200226 has 12 divisors (see below), whose sum is σ = 32933862. Its totient is φ = 5066736.

The previous prime is 15200203. The next prime is 15200231. The reversal of 15200226 is 62200251.

It can be written as a sum of positive squares in only one way, i.e., 11594025 + 3606201 = 3405^2 + 1899^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 844457 = 15200226 / (1 + 5 + 2 + 0 + 0 + 2 + 2 + 6).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15200199 and 15200208.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 422211 + ... + 422246.

Almost surely, 2^15200226 is an apocalyptic number.

15200226 is an abundant number, since it is smaller than the sum of its proper divisors (17733636).

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

15200226 is a wasteful number, since it uses less digits than its factorization.

15200226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844465 (or 844462 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 15200226 is about 3898.7467217043. The cubic root of 15200226 is about 247.7136936177.

Adding to 15200226 its reverse (62200251), we get a palindrome (77400477).

The spelling of 15200226 in words is "fifteen million, two hundred thousand, two hundred twenty-six".