225744415561730 has 16 divisors (see below), whose sum is σ = 437596867089144. Its totient is φ = 83351784207360.

The previous prime is 225744415561673. The next prime is 225744415561739. The reversal of 225744415561730 is 37165514447522.

It can be written as a sum of positive squares in 4 ways, for example, as 140182119061609 + 85562296500121 = 11839853^2 + 9249989^2 .

It is not an unprimeable number, because it can be changed into a prime (225744415561739) 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, 868247752031 + ... + 868247752290.

Almost surely, 2^{225744415561730} is an apocalyptic number.

225744415561730 is a deficient number, since it is larger than the sum of its proper divisors (211852451527414).

225744415561730 is a wasteful number, since it uses less digits than its factorization.

225744415561730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736495504341.

The product of its (nonzero) digits is 28224000, while the sum is 56.

The spelling of 225744415561730 in words is "two hundred twenty-five trillion, seven hundred forty-four billion, four hundred fifteen million, five hundred sixty-one thousand, seven hundred thirty".