Search a number
-
+
12225269 = 72960223
BaseRepresentation
bin101110101000…
…101011110101
3212000002220202
4232220223311
511112202034
61114010245
7205625120
oct56505365
925002822
1012225269
1169a0031
124116985
1326c06b4
1418a33b7
15111747e
hexba8af5

12225269 has 8 divisors (see below), whose sum is σ = 14453760. Its totient is φ = 10117296.

The previous prime is 12225251. The next prime is 12225299. The reversal of 12225269 is 96252221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12225269 - 212 = 12221173 is a prime.

It is a super-2 number, since 2×122252692 = 298914404244722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12225209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29909 + ... + 30314.

It is an arithmetic number, because the mean of its divisors is an integer number (1806720).

Almost surely, 212225269 is an apocalyptic number.

It is an amenable number.

12225269 is a deficient number, since it is larger than the sum of its proper divisors (2228491).

12225269 is an equidigital number, since it uses as much as digits as its factorization.

12225269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60259.

The product of its digits is 4320, while the sum is 29.

The square root of 12225269 is about 3496.4652150422. The cubic root of 12225269 is about 230.3665798864.

The spelling of 12225269 in words is "twelve million, two hundred twenty-five thousand, two hundred sixty-nine".

Divisors: 1 7 29 203 60223 421561 1746467 12225269