Search a number
-
+
22232641 = 191170139
BaseRepresentation
bin101010011001…
…1111001000001
31112211112110011
41110303321001
521142421031
62112304521
7356655124
oct124637101
945745404
1022232641
1111605792
127542141
1347b5712
142d4a3bb
151e426b1
hex1533e41

22232641 has 4 divisors (see below), whose sum is σ = 23402800. Its totient is φ = 21062484.

The previous prime is 22232579. The next prime is 22232659. The reversal of 22232641 is 14623222.

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 22232641 - 219 = 21708353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22232341) 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, 585051 + ... + 585088.

It is an arithmetic number, because the mean of its divisors is an integer number (5850700).

Almost surely, 222232641 is an apocalyptic number.

It is an amenable number.

22232641 is a deficient number, since it is larger than the sum of its proper divisors (1170159).

22232641 is a wasteful number, since it uses less digits than its factorization.

22232641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170158.

The product of its digits is 1152, while the sum is 22.

The square root of 22232641 is about 4715.1501566758. The cubic root of 22232641 is about 281.1881525899.

Adding to 22232641 its reverse (14623222), we get a palindrome (36855863).

The spelling of 22232641 in words is "twenty-two million, two hundred thirty-two thousand, six hundred forty-one".

Divisors: 1 19 1170139 22232641