225003555 has 32 divisors (see below), whose sum is σ = 457152000. Its totient is φ = 102858336.

The previous prime is 225003553. The next prime is 225003589. The reversal of 225003555 is 555300522.

It is not a de Polignac number, because 225003555 - 2¹ = 225003553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (225003553) 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, 118105 + ... + 119994.

It is an arithmetic number, because the mean of its divisors is an integer number (14286000).

Almost surely, 2^225003555 is an apocalyptic number.

225003555 is an abundant number, since it is smaller than the sum of its proper divisors (232148445).

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

225003555 is a wasteful number, since it uses less digits than its factorization.

225003555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238120 (or 238114 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 225003555 is about 15000.1184995319. The cubic root of 225003555 is about 608.2234028335.

The spelling of 225003555 in words is "two hundred twenty-five million, three thousand, five hundred fifty-five".