225125554 has 16 divisors (see below), whose sum is σ = 349116768. Its totient is φ = 108807552.

The previous prime is 225125531. The next prime is 225125569. The reversal of 225125554 is 455521522.

It is a happy number.

225125554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5152 + ... + 21835.

It is an arithmetic number, because the mean of its divisors is an integer number (21819798).

Almost surely, 2^225125554 is an apocalyptic number.

225125554 is a deficient number, since it is larger than the sum of its proper divisors (123991214).

225125554 is a wasteful number, since it uses less digits than its factorization.

225125554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27129.

The product of its digits is 20000, while the sum is 31.

The square root of 225125554 is about 15004.1845496515. The cubic root of 225125554 is about 608.3333110819. Note that the first 4 decimals are identical.

The spelling of 225125554 in words is "two hundred twenty-five million, one hundred twenty-five thousand, five hundred fifty-four".