15225255 has 12 divisors (see below), whose sum is σ = 26390520. Its totient is φ = 8120112.

The previous prime is 15225253. The next prime is 15225269. The reversal of 15225255 is 55252251.

15225255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15225255 - 2¹ = 15225253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15225253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169125 + ... + 169214.

It is an arithmetic number, because the mean of its divisors is an integer number (2199210).

Almost surely, 2^15225255 is an apocalyptic number.

15225255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15225255 is a deficient number, since it is larger than the sum of its proper divisors (11165265).

15225255 is a wasteful number, since it uses less digits than its factorization.

15225255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338350 (or 338347 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 15225255 is about 3901.9552790877. The cubic root of 15225255 is about 247.8495825209.

The spelling of 15225255 in words is "fifteen million, two hundred twenty-five thousand, two hundred fifty-five".