225064137764 has 12 divisors (see below), whose sum is σ = 393894377100. Its totient is φ = 112522887168.

The previous prime is 225064137763. The next prime is 225064137791. The reversal of 225064137764 is 467731460522.

It can be written as a sum of positive squares in 2 ways, for example, as 89316104164 + 135748033600 = 298858^2 + 368440^2 .

It is a super-2 number, since 2×225064137764² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225064137763) 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, 2240129 + ... + 2338440.

It is an arithmetic number, because the mean of its divisors is an integer number (32824531425).

Almost surely, 2^225064137764 is an apocalyptic number.

It is an amenable number.

225064137764 is a deficient number, since it is larger than the sum of its proper divisors (168830239336).

225064137764 is a wasteful number, since it uses less digits than its factorization.

225064137764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590862 (or 4590860 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 225064137764 in words is "two hundred twenty-five billion, sixty-four million, one hundred thirty-seven thousand, seven hundred sixty-four".