15226563 has 8 divisors (see below), whose sum is σ = 22147776. Its totient is φ = 9228200.

The previous prime is 15226553. The next prime is 15226567. The reversal of 15226563 is 36562251.

15226563 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15226563 - 2⁵ = 15226531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15226563.

It is not an unprimeable number, because it can be changed into a prime (15226567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230673 + ... + 230738.

It is an arithmetic number, because the mean of its divisors is an integer number (2768472).

Almost surely, 2^15226563 is an apocalyptic number.

15226563 is a deficient number, since it is larger than the sum of its proper divisors (6921213).

15226563 is a wasteful number, since it uses less digits than its factorization.

15226563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461425.

The product of its digits is 10800, while the sum is 30.

The square root of 15226563 is about 3902.1228837647. The cubic root of 15226563 is about 247.8566798945.

The spelling of 15226563 in words is "fifteen million, two hundred twenty-six thousand, five hundred sixty-three".