225400068215444 has 12 divisors (see below), whose sum is σ = 394557922113600. Its totient is φ = 112669233325848.

The previous prime is 225400068215293. The next prime is 225400068215449. The reversal of 225400068215444 is 444512860004522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225400068215449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7700179004 + ... + 7700208275.

It is an arithmetic number, because the mean of its divisors is an integer number (32879826842800).

Almost surely, 2^{225400068215444} is an apocalyptic number.

It is an amenable number.

225400068215444 is a deficient number, since it is larger than the sum of its proper divisors (169157853898156).

225400068215444 is a wasteful number, since it uses less digits than its factorization.

225400068215444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15400390942 (or 15400390940 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 47.

The spelling of 225400068215444 in words is "two hundred twenty-five trillion, four hundred billion, sixty-eight million, two hundred fifteen thousand, four hundred forty-four".