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225533 = 71129101
BaseRepresentation
bin110111000011111101
3102110101002
4313003331
524204113
64500045
71626350
oct670375
9373332
10225533
111444a0
12aa625
137b869
145c297
1546c58
hex370fd

225533 has 16 divisors (see below), whose sum is σ = 293760. Its totient is φ = 168000.

The previous prime is 225529. The next prime is 225569. The reversal of 225533 is 335522.

It is not a de Polignac number, because 225533 - 22 = 225529 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2183 + ... + 2283.

It is an arithmetic number, because the mean of its divisors is an integer number (18360).

2225533 is an apocalyptic number.

It is an amenable number.

225533 is a deficient number, since it is larger than the sum of its proper divisors (68227).

225533 is a wasteful number, since it uses less digits than its factorization.

225533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148.

The product of its digits is 900, while the sum is 20.

The square root of 225533 is about 474.9031480207. The cubic root of 225533 is about 60.8700089512.

It can be divided in two parts, 22 and 5533, that added together give a palindrome (5555).

The spelling of 225533 in words is "two hundred twenty-five thousand, five hundred thirty-three".