225117225264650 has 48 divisors (see below), whose sum is σ = 443358667776024. Its totient is φ = 84748072826880.

The previous prime is 225117225264641. The next prime is 225117225264697. The reversal of 225117225264650 is 56462522711522.

It is a Cunningham number, because it is equal to 15003907²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 16873306090369 + 208243919174281 = 4107713^2 + 14430659^2 .

It is a super-2 number, since 2×225117225264650² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34365614 + ... + 40388486.

Almost surely, 2^{225117225264650} is an apocalyptic number.

225117225264650 is a deficient number, since it is larger than the sum of its proper divisors (218241442511374).

225117225264650 is a wasteful number, since it uses less digits than its factorization.

225117225264650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066875 (or 6066870 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 50.

The spelling of 225117225264650 in words is "two hundred twenty-five trillion, one hundred seventeen billion, two hundred twenty-five million, two hundred sixty-four thousand, six hundred fifty".