225705001577672 has 16 divisors (see below), whose sum is σ = 423204151129740. Its totient is φ = 112850561276416.

The previous prime is 225705001577641. The next prime is 225705001577681. The reversal of 225705001577672 is 276775100507522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 208377712866436 + 17327288711236 = 14435294^2 + 4162606^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241944413 + ... + 242875500.

Almost surely, 2^{225705001577672} is an apocalyptic number.

It is an amenable number.

225705001577672 is a deficient number, since it is larger than the sum of its proper divisors (197499149552068).

225705001577672 is a wasteful number, since it uses less digits than its factorization.

225705001577672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484878112 (or 484878108 counting only the distinct ones).

The product of its (nonzero) digits is 14406000, while the sum is 56.

The spelling of 225705001577672 in words is "two hundred twenty-five trillion, seven hundred five billion, one million, five hundred seventy-seven thousand, six hundred seventy-two".