225230129685 has 80 divisors (see below), whose sum is σ = 444491815680. Its totient is φ = 108200396160.

The previous prime is 225230129569. The next prime is 225230129689. The reversal of 225230129685 is 586921032522.

225230129685 is a `hidden beast` number, since 2 + 2 + 52 + 301 + 296 + 8 + 5 = 666.

It is not a de Polignac number, because 225230129685 - 2¹⁰ = 225230128661 is a prime.

It is a super-2 number, since 2×225230129685² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225230129685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225230129689) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 253684 + ... + 717506.

It is an arithmetic number, because the mean of its divisors is an integer number (5556147696).

Almost surely, 2^225230129685 is an apocalyptic number.

It is an amenable number.

225230129685 is a deficient number, since it is larger than the sum of its proper divisors (219261685995).

225230129685 is a wasteful number, since it uses less digits than its factorization.

225230129685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463960 (or 463951 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 225230129685 in words is "two hundred twenty-five billion, two hundred thirty million, one hundred twenty-nine thousand, six hundred eighty-five".