44303381 has 2 divisors, whose sum is σ = 44303382. Its totient is φ = 44303380.

The previous prime is 44303353. The next prime is 44303401. The reversal of 44303381 is 18330344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41396356 + 2907025 = 6434^2 + 1705^2 .

It is a cyclic number.

It is not a de Polignac number, because 44303381 - 2⁶ = 44303317 is a prime.

It is a super-2 number, since 2×44303381² = 3925579136062322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44303381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44303321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22151690 + 22151691.

It is an arithmetic number, because the mean of its divisors is an integer number (22151691).

Almost surely, 2^44303381 is an apocalyptic number.

It is an amenable number.

44303381 is a deficient number, since it is larger than the sum of its proper divisors (1).

44303381 is an equidigital number, since it uses as much as digits as its factorization.

44303381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 44303381 is about 6656.0785001381. The cubic root of 44303381 is about 353.8443701827.

The spelling of 44303381 in words is "forty-four million, three hundred three thousand, three hundred eighty-one".