44522001 has 8 divisors (see below), whose sum is σ = 65958560. Its totient is φ = 29681316.

The previous prime is 44521993. The next prime is 44522003. The reversal of 44522001 is 10022544.

44522001 is a `hidden beast` number, since 445 + 220 + 0 + 1 = 666.

It is not a de Polignac number, because 44522001 - 2³ = 44521993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44522003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824455 + ... + 824508.

It is an arithmetic number, because the mean of its divisors is an integer number (8244820).

Almost surely, 2^44522001 is an apocalyptic number.

It is an amenable number.

44522001 is a deficient number, since it is larger than the sum of its proper divisors (21436559).

44522001 is a wasteful number, since it uses less digits than its factorization.

44522001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648972 (or 1648966 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 44522001 is about 6672.4808729587. The cubic root of 44522001 is about 354.4254436745.

Adding to 44522001 its reverse (10022544), we get a palindrome (54544545).

The spelling of 44522001 in words is "forty-four million, five hundred twenty-two thousand, one".