444722401 has 2 divisors, whose sum is σ = 444722402. Its totient is φ = 444722400.

The previous prime is 444722381. The next prime is 444722419. The reversal of 444722401 is 104227444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262472401 + 182250000 = 16201^2 + 13500^2 .

It is a cyclic number.

It is not a de Polignac number, because 444722401 - 2¹⁵ = 444689633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 444722401.

It is not a weakly prime, because it can be changed into another prime (444722101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222361200 + 222361201.

It is an arithmetic number, because the mean of its divisors is an integer number (222361201).

Almost surely, 2^444722401 is an apocalyptic number.

It is an amenable number.

444722401 is a deficient number, since it is larger than the sum of its proper divisors (1).

444722401 is an equidigital number, since it uses as much as digits as its factorization.

444722401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 444722401 is about 21088.4423559446. The cubic root of 444722401 is about 763.3018856292.

Adding to 444722401 its reverse (104227444), we get a palindrome (548949845).

The spelling of 444722401 in words is "four hundred forty-four million, seven hundred twenty-two thousand, four hundred one".