44322381 has 12 divisors (see below), whose sum is σ = 64087452. Its totient is φ = 29517696.

The previous prime is 44322373. The next prime is 44322401. The reversal of 44322381 is 18322344.

It can be written as a sum of positive squares in 2 ways, for example, as 23474025 + 20848356 = 4845^2 + 4566^2 .

It is not a de Polignac number, because 44322381 - 2³ = 44322373 is a prime.

It is a super-2 number, since 2×44322381² = 3928946915018322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44322331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9775 + ... + 13571.

It is an arithmetic number, because the mean of its divisors is an integer number (5340621).

Almost surely, 2^44322381 is an apocalyptic number.

It is an amenable number.

44322381 is a deficient number, since it is larger than the sum of its proper divisors (19765071).

44322381 is a wasteful number, since it uses less digits than its factorization.

44322381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100 (or 5097 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 44322381 is about 6657.5056139668. The cubic root of 44322381 is about 353.8949463241.

The spelling of 44322381 in words is "forty-four million, three hundred twenty-two thousand, three hundred eighty-one".