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226261 = 732323
BaseRepresentation
bin110111001111010101
3102111101001
4313033111
524220021
64503301
71631440
oct671725
9374331
10226261
11144aa2
12aab31
137bca9
145c657
1547091
hex373d5

226261 has 4 divisors (see below), whose sum is σ = 258592. Its totient is φ = 193932.

The previous prime is 226241. The next prime is 226267. The reversal of 226261 is 162622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 226261 - 27 = 226133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16155 + ... + 16168.

It is an arithmetic number, because the mean of its divisors is an integer number (64648).

2226261 is an apocalyptic number.

It is an amenable number.

226261 is a deficient number, since it is larger than the sum of its proper divisors (32331).

226261 is an equidigital number, since it uses as much as digits as its factorization.

226261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32330.

The product of its digits is 288, while the sum is 19.

The square root of 226261 is about 475.6690025638. The cubic root of 226261 is about 60.9354328907.

Adding to 226261 its reverse (162622), we get a palindrome (388883).

The spelling of 226261 in words is "two hundred twenty-six thousand, two hundred sixty-one".

Divisors: 1 7 32323 226261