44722001 has 2 divisors, whose sum is σ = 44722002. Its totient is φ = 44722000.

The previous prime is 44721997. The next prime is 44722003. The reversal of 44722001 is 10022744.

44722001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25150225 + 19571776 = 5015^2 + 4424^2 .

It is a cyclic number.

It is not a de Polignac number, because 44722001 - 2² = 44721997 is a prime.

Together with 44722003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44722003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22361000 + 22361001.

It is an arithmetic number, because the mean of its divisors is an integer number (22361001).

Almost surely, 2^44722001 is an apocalyptic number.

It is an amenable number.

44722001 is a deficient number, since it is larger than the sum of its proper divisors (1).

44722001 is an equidigital number, since it uses as much as digits as its factorization.

44722001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 44722001 is about 6687.4510091663. The cubic root of 44722001 is about 354.9553630315.

Adding to 44722001 its reverse (10022744), we get a palindrome (54744745).

The spelling of 44722001 in words is "forty-four million, seven hundred twenty-two thousand, one".