15226066 has 4 divisors (see below), whose sum is σ = 22839102. Its totient is φ = 7613032.

The previous prime is 15226063. The next prime is 15226091. The reversal of 15226066 is 66062251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12453841 + 2772225 = 3529^2 + 1665^2 .

It is not an unprimeable number, because it can be changed into a prime (15226063) 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 as a sum of consecutive naturals, namely, 3806515 + ... + 3806518.

Almost surely, 2^15226066 is an apocalyptic number.

15226066 is a deficient number, since it is larger than the sum of its proper divisors (7613036).

15226066 is an equidigital number, since it uses as much as digits as its factorization.

15226066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7613035.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 15226066 is about 3902.0591999610. The cubic root of 15226066 is about 247.8539831575.

The spelling of 15226066 in words is "fifteen million, two hundred twenty-six thousand, sixty-six".