Search a number
-
+
22230541 = 128317327
BaseRepresentation
bin101010011001…
…1011000001101
31112211102120101
41110303120031
521142334131
62112251101
7356646034
oct124633015
945742511
1022230541
1111604153
127540a91
1347b4788
142d4971b
151e41c61
hex153360d

22230541 has 4 divisors (see below), whose sum is σ = 22249152. Its totient is φ = 22211932.

The previous prime is 22230529. The next prime is 22230583. The reversal of 22230541 is 14503222.

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 22230541 - 219 = 21706253 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 (22230841) 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, 7381 + ... + 9946.

It is an arithmetic number, because the mean of its divisors is an integer number (5562288).

Almost surely, 222230541 is an apocalyptic number.

It is an amenable number.

22230541 is a deficient number, since it is larger than the sum of its proper divisors (18611).

22230541 is a wasteful number, since it uses less digits than its factorization.

22230541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18610.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22230541 is about 4714.9274649776. The cubic root of 22230541 is about 281.1792990352.

Adding to 22230541 its reverse (14503222), we get a palindrome (36733763).

The spelling of 22230541 in words is "twenty-two million, two hundred thirty thousand, five hundred forty-one".

Divisors: 1 1283 17327 22230541