15226473 has 4 divisors (see below), whose sum is σ = 20301968. Its totient is φ = 10150980.

The previous prime is 15226469. The next prime is 15226481. The reversal of 15226473 is 37462251.

15226473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37462251 = 3 ⋅12487417.

It is not a de Polignac number, because 15226473 - 2² = 15226469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15226473.

It is not an unprimeable number, because it can be changed into a prime (15226493) 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, 2537743 + ... + 2537748.

It is an arithmetic number, because the mean of its divisors is an integer number (5075492).

Almost surely, 2^15226473 is an apocalyptic number.

It is an amenable number.

15226473 is a deficient number, since it is larger than the sum of its proper divisors (5075495).

15226473 is an equidigital number, since it uses as much as digits as its factorization.

15226473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075494.

The product of its digits is 10080, while the sum is 30.

The square root of 15226473 is about 3902.1113515634. Note that the first 3 decimals coincide. The cubic root of 15226473 is about 247.8561915561.

The spelling of 15226473 in words is "fifteen million, two hundred twenty-six thousand, four hundred seventy-three".