15225434 has 16 divisors (see below), whose sum is σ = 26174400. Its totient is φ = 6506784.

The previous prime is 15225407. The next prime is 15225439. The reversal of 15225434 is 43452251.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15225439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4397 + ... + 7055.

It is an arithmetic number, because the mean of its divisors is an integer number (1635900).

Almost surely, 2^15225434 is an apocalyptic number.

15225434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15225434 is a deficient number, since it is larger than the sum of its proper divisors (10948966).

15225434 is a wasteful number, since it uses less digits than its factorization.

15225434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077.

The product of its digits is 4800, while the sum is 26.

The square root of 15225434 is about 3901.9782162385. The cubic root of 15225434 is about 247.8505538216.

Adding to 15225434 its reverse (43452251), we get a palindrome (58677685).

The spelling of 15225434 in words is "fifteen million, two hundred twenty-five thousand, four hundred thirty-four".