Search a number
-
+
22622441 = 24779133
BaseRepresentation
bin101011001001…
…1000011101001
31120120100011012
41112103003221
521242404231
62124513305
7363200432
oct126230351
946510135
1022622441
1111851636
1276ab835
1348c0c7a
14300c489
151ebce2b
hex15930e9

22622441 has 4 divisors (see below), whose sum is σ = 22634052. Its totient is φ = 22610832.

The previous prime is 22622423. The next prime is 22622443. The reversal of 22622441 is 14422622.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14422622 = 27211311.

It can be written as a sum of positive squares in 2 ways, for example, as 14899600 + 7722841 = 3860^2 + 2779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22622441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22622443) 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, 2090 + ... + 7043.

It is an arithmetic number, because the mean of its divisors is an integer number (5658513).

Almost surely, 222622441 is an apocalyptic number.

It is an amenable number.

22622441 is a deficient number, since it is larger than the sum of its proper divisors (11611).

22622441 is an equidigital number, since it uses as much as digits as its factorization.

22622441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11610.

The product of its digits is 1536, while the sum is 23.

The square root of 22622441 is about 4756.3053938956. The cubic root of 22622441 is about 282.8219776297.

The spelling of 22622441 in words is "twenty-two million, six hundred twenty-two thousand, four hundred forty-one".

Divisors: 1 2477 9133 22622441