225666554013 has 32 divisors (see below), whose sum is σ = 342523708800. Its totient is φ = 146754115200.

The previous prime is 225666554011. The next prime is 225666554027. The reversal of 225666554013 is 310455666522.

It is not a de Polignac number, because 225666554013 - 2¹ = 225666554011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225666554013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225666554011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13243383 + ... + 13260411.

It is an arithmetic number, because the mean of its divisors is an integer number (10703865900).

Almost surely, 2^225666554013 is an apocalyptic number.

It is an amenable number.

225666554013 is a deficient number, since it is larger than the sum of its proper divisors (116857154787).

225666554013 is a wasteful number, since it uses less digits than its factorization.

225666554013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29050 (or 29044 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 225666554013 in words is "two hundred twenty-five billion, six hundred sixty-six million, five hundred fifty-four thousand, thirteen".