444224001 has 32 divisors (see below), whose sum is σ = 688584960. Its totient is φ = 252451584.

The previous prime is 444223999. The next prime is 444224023. The reversal of 444224001 is 100422444.

It is not a de Polignac number, because 444224001 - 2¹ = 444223999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (444224041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17475 + ... + 34551.

It is an arithmetic number, because the mean of its divisors is an integer number (21518280).

Almost surely, 2^444224001 is an apocalyptic number.

It is an amenable number.

444224001 is a deficient number, since it is larger than the sum of its proper divisors (244360959).

444224001 is a wasteful number, since it uses less digits than its factorization.

444224001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17145.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 444224001 is about 21076.6221439774. The cubic root of 444224001 is about 763.0166351275.

Adding to 444224001 its reverse (100422444), we get a palindrome (544646445).

The spelling of 444224001 in words is "four hundred forty-four million, two hundred twenty-four thousand, one".