225252416475 has 72 divisors (see below), whose sum is σ = 421262180352. Its totient is φ = 114838046400.

The previous prime is 225252416461. The next prime is 225252416483. The reversal of 225252416475 is 574614252522.

225252416475 is a `hidden beast` number, since 2 + 2 + 52 + 524 + 1 + 6 + 4 + 75 = 666.

It is not a de Polignac number, because 225252416475 - 2⁸ = 225252416219 is a prime.

It is a super-2 number, since 2×225252416475² (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 self number, because there is not a number n which added to its sum of digits gives 225252416475.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8613670 + ... + 8639780.

It is an arithmetic number, because the mean of its divisors is an integer number (5850863616).

Almost surely, 2^225252416475 is an apocalyptic number.

225252416475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225252416475 is a deficient number, since it is larger than the sum of its proper divisors (196009763877).

225252416475 is a wasteful number, since it uses less digits than its factorization.

225252416475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27817 (or 27809 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 45.

Adding to 225252416475 its reverse (574614252522), we get a palindrome (799866668997).

The spelling of 225252416475 in words is "two hundred twenty-five billion, two hundred fifty-two million, four hundred sixteen thousand, four hundred seventy-five".