15226242 has 16 divisors (see below), whose sum is σ = 30497472. Its totient is φ = 5067920.

The previous prime is 15226231. The next prime is 15226273. The reversal of 15226242 is 24262251.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3892 + ... + 6752.

It is an arithmetic number, because the mean of its divisors is an integer number (1906092).

Almost surely, 2^15226242 is an apocalyptic number.

15226242 is an abundant number, since it is smaller than the sum of its proper divisors (15271230).

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

15226242 is a wasteful number, since it uses less digits than its factorization.

15226242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753.

The product of its digits is 1920, while the sum is 24.

The square root of 15226242 is about 3902.0817520908. The cubic root of 15226242 is about 247.8549381455.

Adding to 15226242 its reverse (24262251), we get a palindrome (39488493).

The spelling of 15226242 in words is "fifteen million, two hundred twenty-six thousand, two hundred forty-two".