Search a number
-
+
23122201 = 223103687
BaseRepresentation
bin101100000110…
…1000100011001
31121111201200211
41120031010121
521404402301
62143331121
7400351444
oct130150431
947451624
1023122201
1112063063
1278b0aa1
134a3759b
1430dc65b
15206b051
hex160d119

23122201 has 4 divisors (see below), whose sum is σ = 23226112. Its totient is φ = 23018292.

The previous prime is 23122147. The next prime is 23122213. The reversal of 23122201 is 10222132.

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 23122201 - 213 = 23114009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23122241) 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, 51621 + ... + 52066.

It is an arithmetic number, because the mean of its divisors is an integer number (5806528).

Almost surely, 223122201 is an apocalyptic number.

It is an amenable number.

23122201 is a deficient number, since it is larger than the sum of its proper divisors (103911).

23122201 is a wasteful number, since it uses less digits than its factorization.

23122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103910.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 23122201 is about 4808.5549804489. The cubic root of 23122201 is about 284.8894657027.

Adding to 23122201 its reverse (10222132), we get a palindrome (33344333).

The spelling of 23122201 in words is "twenty-three million, one hundred twenty-two thousand, two hundred one".

Divisors: 1 223 103687 23122201