225204100542 has 12 divisors (see below), whose sum is σ = 487942217880. Its totient is φ = 75068033508.

The previous prime is 225204100453. The next prime is 225204100549. The reversal of 225204100542 is 245001402522.

225204100542 is a `hidden beast` number, since 225 + 20 + 410 + 0 + 5 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225204100549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6255669442 + ... + 6255669477.

It is an arithmetic number, because the mean of its divisors is an integer number (40661851490).

Almost surely, 2^225204100542 is an apocalyptic number.

225204100542 is an abundant number, since it is smaller than the sum of its proper divisors (262738117338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225204100542 is a wasteful number, since it uses less digits than its factorization.

225204100542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12511338927 (or 12511338924 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The spelling of 225204100542 in words is "two hundred twenty-five billion, two hundred four million, one hundred thousand, five hundred forty-two".