225555147 has 12 divisors (see below), whose sum is σ = 327510144. Its totient is φ = 149581680.

The previous prime is 225555139. The next prime is 225555173. The reversal of 225555147 is 741555522.

It is not a de Polignac number, because 225555147 - 2³ = 225555139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225555107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63888 + ... + 67325.

It is an arithmetic number, because the mean of its divisors is an integer number (27292512).

Almost surely, 2^225555147 is an apocalyptic number.

225555147 is a deficient number, since it is larger than the sum of its proper divisors (101954997).

225555147 is a wasteful number, since it uses less digits than its factorization.

225555147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131410 (or 131407 counting only the distinct ones).

The product of its digits is 70000, while the sum is 36.

The square root of 225555147 is about 15018.4934996823. The cubic root of 225555147 is about 608.7200133365.

The spelling of 225555147 in words is "two hundred twenty-five million, five hundred fifty-five thousand, one hundred forty-seven".