Search a number
-
+
22552141 = 36316211
BaseRepresentation
bin101011000000…
…1111001001101
31120102202201111
41112001321031
521233132031
62123212021
7362455453
oct126017115
946382644
1022552141
1111803837
127677011
134897c81
142dd09d3
151ea71b1
hex1581e4d

22552141 has 4 divisors (see below), whose sum is σ = 22561984. Its totient is φ = 22542300.

The previous prime is 22552093. The next prime is 22552157. The reversal of 22552141 is 14125522.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22552141 - 213 = 22543949 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 (22552171) 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, 526 + ... + 6736.

It is an arithmetic number, because the mean of its divisors is an integer number (5640496).

Almost surely, 222552141 is an apocalyptic number.

It is an amenable number.

22552141 is a deficient number, since it is larger than the sum of its proper divisors (9843).

22552141 is an equidigital number, since it uses as much as digits as its factorization.

22552141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9842.

The product of its digits is 800, while the sum is 22.

The square root of 22552141 is about 4748.9094537588. The cubic root of 22552141 is about 282.5287140260.

Adding to 22552141 its reverse (14125522), we get a palindrome (36677663).

The spelling of 22552141 in words is "twenty-two million, five hundred fifty-two thousand, one hundred forty-one".

Divisors: 1 3631 6211 22552141