225035961938 has 18 divisors (see below), whose sum is σ = 344097422319. Its totient is φ = 110377557472.

The previous prime is 225035961937. The next prime is 225035961947. The reversal of 225035961938 is 839169530522.

It can be written as a sum of positive squares in 5 ways, for example, as 207915024529 + 17120937409 = 455977^2 + 130847^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=335437.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225035961938.

It is not an unprimeable number, because it can be changed into a prime (225035961937) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 35553158 + ... + 35559486.

Almost surely, 2^225035961938 is an apocalyptic number.

225035961938 is a deficient number, since it is larger than the sum of its proper divisors (119061460381).

225035961938 is an frugal number, since it uses more digits than its factorization.

225035961938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12766 (or 6384 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 225035961938 in words is "two hundred twenty-five billion, thirty-five million, nine hundred sixty-one thousand, nine hundred thirty-eight".