44219489 has 2 divisors, whose sum is σ = 44219490. Its totient is φ = 44219488.

The previous prime is 44219459. The next prime is 44219509. The reversal of 44219489 is 98491244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43335889 + 883600 = 6583^2 + 940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44219489 is a prime.

It is a super-2 number, since 2×44219489² = 3910726414842242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44219419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22109744 + 22109745.

It is an arithmetic number, because the mean of its divisors is an integer number (22109745).

Almost surely, 2^44219489 is an apocalyptic number.

It is an amenable number.

44219489 is a deficient number, since it is larger than the sum of its proper divisors (1).

44219489 is an equidigital number, since it uses as much as digits as its factorization.

44219489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 41.

The square root of 44219489 is about 6649.7736051688. The cubic root of 44219489 is about 353.6208848432.

The spelling of 44219489 in words is "forty-four million, two hundred nineteen thousand, four hundred eighty-nine".