Search a number
-
+
44225557 is a prime number
BaseRepresentation
bin1010100010110…
…1010000010101
310002012220001121
42220231100111
542310204212
64215523541
71044624325
oct250552025
9102186047
1044225557
1122a67352
12129895b1
139215c8c
145c33285
153d38d07
hex2a2d415

44225557 has 2 divisors, whose sum is σ = 44225558. Its totient is φ = 44225556.

The previous prime is 44225539. The next prime is 44225563. The reversal of 44225557 is 75552244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26635921 + 17589636 = 5161^2 + 4194^2 .

It is a cyclic number.

It is not a de Polignac number, because 44225557 - 219 = 43701269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44225537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22112778 + 22112779.

It is an arithmetic number, because the mean of its divisors is an integer number (22112779).

Almost surely, 244225557 is an apocalyptic number.

It is an amenable number.

44225557 is a deficient number, since it is larger than the sum of its proper divisors (1).

44225557 is an equidigital number, since it uses as much as digits as its factorization.

44225557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56000, while the sum is 34.

The square root of 44225557 is about 6650.2298456520. The cubic root of 44225557 is about 353.6370592604.

The spelling of 44225557 in words is "forty-four million, two hundred twenty-five thousand, five hundred fifty-seven".