225545562 has 96 divisors (see below), whose sum is σ = 580042944. Its totient is φ = 62553600.

The previous prime is 225545533. The next prime is 225545569. The reversal of 225545562 is 265545522.

225545562 is a `hidden beast` number, since 2 + 2 + 55 + 45 + 562 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (225545569) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123637 + ... + 125447.

It is an arithmetic number, because the mean of its divisors is an integer number (6042114).

Almost surely, 2^225545562 is an apocalyptic number.

225545562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 225545562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290021472).

225545562 is an abundant number, since it is smaller than the sum of its proper divisors (354497382).

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

225545562 is a wasteful number, since it uses less digits than its factorization.

225545562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884 (or 1881 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 225545562 is about 15018.1743897186. The cubic root of 225545562 is about 608.7113906648.

The spelling of 225545562 in words is "two hundred twenty-five million, five hundred forty-five thousand, five hundred sixty-two".