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226551229 = 433523213
BaseRepresentation
bin11011000000011…
…10010110111101
3120210021222212021
431200032112331
5430444114404
634251440141
75420440132
oct1540162675
9523258767
10226551229
11106978323
1263a56051
1337c225a8
1422134589
1514d51454
hexd80e5bd

226551229 has 4 divisors (see below), whose sum is σ = 227074876. Its totient is φ = 226027584.

The previous prime is 226551211. The next prime is 226551253. The reversal of 226551229 is 922155622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 144648729 + 81902500 = 12027^2 + 9050^2 .

It is a cyclic number.

It is not a de Polignac number, because 226551229 - 29 = 226550717 is a prime.

It is a super-2 number, since 2×2265512292 = 102650918722820882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226551194 and 226551203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226551289) 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, 261174 + ... + 262039.

It is an arithmetic number, because the mean of its divisors is an integer number (56768719).

Almost surely, 2226551229 is an apocalyptic number.

It is an amenable number.

226551229 is a deficient number, since it is larger than the sum of its proper divisors (523647).

226551229 is an equidigital number, since it uses as much as digits as its factorization.

226551229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523646.

The product of its digits is 21600, while the sum is 34.

The square root of 226551229 is about 15051.6188165925. The cubic root of 226551229 is about 609.6147607885.

The spelling of 226551229 in words is "two hundred twenty-six million, five hundred fifty-one thousand, two hundred twenty-nine".

Divisors: 1 433 523213 226551229