44446081 has 2 divisors, whose sum is σ = 44446082. Its totient is φ = 44446080.

The previous prime is 44446043. The next prime is 44446093. The reversal of 44446081 is 18064444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36493681 + 7952400 = 6041^2 + 2820^2 .

It is a cyclic number.

It is not a de Polignac number, because 44446081 - 2¹⁷ = 44315009 is a prime.

It is a super-2 number, since 2×44446081² = 3950908232517122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44443081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22223040 + 22223041.

It is an arithmetic number, because the mean of its divisors is an integer number (22223041).

Almost surely, 2^44446081 is an apocalyptic number.

It is an amenable number.

44446081 is a deficient number, since it is larger than the sum of its proper divisors (1).

44446081 is an equidigital number, since it uses as much as digits as its factorization.

44446081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 44446081 is about 6666.7894072034. The cubic root of 44446081 is about 354.2238707570.

The spelling of 44446081 in words is "forty-four million, four hundred forty-six thousand, eighty-one".