442241401 has 16 divisors (see below), whose sum is σ = 530915328. Its totient is φ = 360162000.

The previous prime is 442241357. The next prime is 442241407. The reversal of 442241401 is 104142244.

It is a cyclic number.

It is not a de Polignac number, because 442241401 - 2¹⁷ = 442110329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442241407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15216 + ... + 33406.

It is an arithmetic number, because the mean of its divisors is an integer number (33182208).

Almost surely, 2^442241401 is an apocalyptic number.

It is an amenable number.

442241401 is a deficient number, since it is larger than the sum of its proper divisors (88673927).

442241401 is a wasteful number, since it uses less digits than its factorization.

442241401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18372.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 442241401 is about 21029.5363952703. The cubic root of 442241401 is about 761.8798115999.

Adding to 442241401 its reverse (104142244), we get a palindrome (546383645).

The spelling of 442241401 in words is "four hundred forty-two million, two hundred forty-one thousand, four hundred one".