225017860749 has 16 divisors (see below), whose sum is σ = 328849895424. Its totient is φ = 135728132400.

The previous prime is 225017860747. The next prime is 225017860799. The reversal of 225017860749 is 947068710522.

It is a happy number.

It is not a de Polignac number, because 225017860749 - 2¹ = 225017860747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225017860741) 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, 16151149 + ... + 16165074.

It is an arithmetic number, because the mean of its divisors is an integer number (20553118464).

Almost surely, 2^225017860749 is an apocalyptic number.

It is an amenable number.

225017860749 is a deficient number, since it is larger than the sum of its proper divisors (103832034675).

225017860749 is a wasteful number, since it uses less digits than its factorization.

225017860749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32316448.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 225017860749 in words is "two hundred twenty-five billion, seventeen million, eight hundred sixty thousand, seven hundred forty-nine".