15240226 has 8 divisors (see below), whose sum is σ = 23478300. Its totient is φ = 7414128.

The previous prime is 15240217. The next prime is 15240229. The reversal of 15240226 is 62204251.

It can be written as a sum of positive squares in 2 ways, for example, as 15202201 + 38025 = 3899^2 + 195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 15240197 and 15240206.

It is not an unprimeable number, because it can be changed into a prime (15240229) 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, 102901 + ... + 103048.

Almost surely, 2^15240226 is an apocalyptic number.

15240226 is a deficient number, since it is larger than the sum of its proper divisors (8238074).

15240226 is a wasteful number, since it uses less digits than its factorization.

15240226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205988.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 15240226 is about 3903.8732049082. The cubic root of 15240226 is about 247.9307927768.

Adding to 15240226 its reverse (62204251), we get a palindrome (77444477).

The spelling of 15240226 in words is "fifteen million, two hundred forty thousand, two hundred twenty-six".