44279999 has 2 divisors, whose sum is σ = 44280000. Its totient is φ = 44279998.

The previous prime is 44279987. The next prime is 44280007. The reversal of 44279999 is 99997244.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44279999 - 2⁸ = 44279743 is a prime.

It is a super-2 number, since 2×44279999² = 3921436622880002, which contains 22 as substring.

It is a Chen prime.

44279999 is a modest number, since divided by 9999 gives 4427 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 44279999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44279909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22139999 + 22140000.

It is an arithmetic number, because the mean of its divisors is an integer number (22140000).

Almost surely, 2^44279999 is an apocalyptic number.

44279999 is a deficient number, since it is larger than the sum of its proper divisors (1).

44279999 is an equidigital number, since it uses as much as digits as its factorization.

44279999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 53.

The square root of 44279999 is about 6654.3218287065. The cubic root of 44279999 is about 353.7821097350.

The spelling of 44279999 in words is "forty-four million, two hundred seventy-nine thousand, nine hundred ninety-nine".