225106693550 has 24 divisors (see below), whose sum is σ = 421995300096. Its totient is φ = 89333677440.

The previous prime is 225106693531. The next prime is 225106693571. The reversal of 225106693550 is 55396601522.

225106693550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×225106693550² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17718587 + ... + 17731286.

It is an arithmetic number, because the mean of its divisors is an integer number (17583137504).

Almost surely, 2^225106693550 is an apocalyptic number.

225106693550 is a deficient number, since it is larger than the sum of its proper divisors (196888606546).

225106693550 is a wasteful number, since it uses less digits than its factorization.

225106693550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35450012 (or 35450007 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 44.

The spelling of 225106693550 in words is "two hundred twenty-five billion, one hundred six million, six hundred ninety-three thousand, five hundred fifty".