15225567 has 16 divisors (see below), whose sum is σ = 23274240. Its totient is φ = 8672832.

The previous prime is 15225559. The next prime is 15225583. The reversal of 15225567 is 76552251.

It is not a de Polignac number, because 15225567 - 2³ = 15225559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15225527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7003 + ... + 8915.

It is an arithmetic number, because the mean of its divisors is an integer number (1454640).

Almost surely, 2^15225567 is an apocalyptic number.

15225567 is a deficient number, since it is larger than the sum of its proper divisors (8048673).

15225567 is a wasteful number, since it uses less digits than its factorization.

15225567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302.

The product of its digits is 21000, while the sum is 33.

The square root of 15225567 is about 3901.9952588387. The cubic root of 15225567 is about 247.8512755093.

The spelling of 15225567 in words is "fifteen million, two hundred twenty-five thousand, five hundred sixty-seven".