225720131554 has 8 divisors (see below), whose sum is σ = 339776594640. Its totient is φ = 112461266676.

The previous prime is 225720131479. The next prime is 225720131561. The reversal of 225720131554 is 455131027522.

225720131554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199398844 + ... + 199399975.

It is an arithmetic number, because the mean of its divisors is an integer number (42472074330).

Almost surely, 2^225720131554 is an apocalyptic number.

225720131554 is a deficient number, since it is larger than the sum of its proper divisors (114056463086).

225720131554 is a wasteful number, since it uses less digits than its factorization.

225720131554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398799104.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 225720131554 in words is "two hundred twenty-five billion, seven hundred twenty million, one hundred thirty-one thousand, five hundred fifty-four".