44025221 has 2 divisors, whose sum is σ = 44025222. Its totient is φ = 44025220.

The previous prime is 44025217. The next prime is 44025251. The reversal of 44025221 is 12252044.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33062500 + 10962721 = 5750^2 + 3311^2 .

It is a cyclic number.

It is not a de Polignac number, because 44025221 - 2² = 44025217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44025193 and 44025202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44025211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22012610 + 22012611.

It is an arithmetic number, because the mean of its divisors is an integer number (22012611).

Almost surely, 2^44025221 is an apocalyptic number.

It is an amenable number.

44025221 is a deficient number, since it is larger than the sum of its proper divisors (1).

44025221 is an equidigital number, since it uses as much as digits as its factorization.

44025221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 44025221 is about 6635.1504127638. The cubic root of 44025221 is about 353.1022743722.

Adding to 44025221 its reverse (12252044), we get a palindrome (56277265).

The spelling of 44025221 in words is "forty-four million, twenty-five thousand, two hundred twenty-one".