44799221 has 2 divisors, whose sum is σ = 44799222. Its totient is φ = 44799220.

The previous prime is 44799203. The next prime is 44799259. The reversal of 44799221 is 12299744.

It is an a-pointer prime, because the next prime (44799259) can be obtained adding 44799221 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44422225 + 376996 = 6665^2 + 614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44799221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44709221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22399610 + 22399611.

It is an arithmetic number, because the mean of its divisors is an integer number (22399611).

Almost surely, 2^44799221 is an apocalyptic number.

It is an amenable number.

44799221 is a deficient number, since it is larger than the sum of its proper divisors (1).

44799221 is an equidigital number, since it uses as much as digits as its factorization.

44799221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 44799221 is about 6693.2220193267. Note that the first 3 decimals coincide. The cubic root of 44799221 is about 355.1595421220.

The spelling of 44799221 in words is "forty-four million, seven hundred ninety-nine thousand, two hundred twenty-one".