444522401 has 2 divisors, whose sum is σ = 444522402. Its totient is φ = 444522400.

The previous prime is 444522371. The next prime is 444522413. The reversal of 444522401 is 104225444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317374225 + 127148176 = 17815^2 + 11276^2 .

It is a cyclic number.

It is not a de Polignac number, because 444522401 - 2¹⁴ = 444506017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_23578100 and since 444522401 and 23578100 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (444522101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222261200 + 222261201.

It is an arithmetic number, because the mean of its divisors is an integer number (222261201).

Almost surely, 2^444522401 is an apocalyptic number.

It is an amenable number.

444522401 is a deficient number, since it is larger than the sum of its proper divisors (1).

444522401 is an equidigital number, since it uses as much as digits as its factorization.

444522401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 444522401 is about 21083.6998887766. The cubic root of 444522401 is about 763.1874447501.

Adding to 444522401 its reverse (104225444), we get a palindrome (548747845).

The spelling of 444522401 in words is "four hundred forty-four million, five hundred twenty-two thousand, four hundred one".