225005743737 has 6 divisors (see below), whose sum is σ = 325008296522. Its totient is φ = 150003829152.

The previous prime is 225005743579. The next prime is 225005743759. The reversal of 225005743737 is 737347500522.

It is a happy number.

225005743737 is a `hidden beast` number, since 2 + 2 + 5 + 0 + 0 + 574 + 3 + 73 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 202006201401 + 22999542336 = 449451^2 + 151656^2 .

It is not a de Polignac number, because 225005743737 - 2¹⁶ = 225005678201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225005743692 and 225005743701.

It is not an unprimeable number, because it can be changed into a prime (225005743777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12500319088 + ... + 12500319105.

Almost surely, 2^225005743737 is an apocalyptic number.

It is an amenable number.

225005743737 is a deficient number, since it is larger than the sum of its proper divisors (100002552785).

225005743737 is a wasteful number, since it uses less digits than its factorization.

225005743737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25000638199 (or 25000638196 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 45.

The spelling of 225005743737 in words is "two hundred twenty-five billion, five million, seven hundred forty-three thousand, seven hundred thirty-seven".