444022441 has 2 divisors, whose sum is σ = 444022442. Its totient is φ = 444022440.

The previous prime is 444022433. The next prime is 444022471. The reversal of 444022441 is 144220444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 409212441 + 34810000 = 20229^2 + 5900^2 .

It is a cyclic number.

It is not a de Polignac number, because 444022441 - 2³ = 444022433 is a prime.

It is a super-2 number, since 2×444022441² = 394311856223196962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (444022471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222011220 + 222011221.

It is an arithmetic number, because the mean of its divisors is an integer number (222011221).

Almost surely, 2^444022441 is an apocalyptic number.

It is an amenable number.

444022441 is a deficient number, since it is larger than the sum of its proper divisors (1).

444022441 is an equidigital number, since it uses as much as digits as its factorization.

444022441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 444022441 is about 21071.8400003417. The cubic root of 444022441 is about 762.9012152049.

Adding to 444022441 its reverse (144220444), we get a palindrome (588242885).

The spelling of 444022441 in words is "four hundred forty-four million, twenty-two thousand, four hundred forty-one".