44402837 has 2 divisors, whose sum is σ = 44402838. Its totient is φ = 44402836.

The previous prime is 44402833. The next prime is 44402873. The reversal of 44402837 is 73820444.

Together with next prime (44402873) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24990001 + 19412836 = 4999^2 + 4406^2 .

It is a cyclic number.

It is not a de Polignac number, because 44402837 - 2² = 44402833 is a prime.

It is a super-2 number, since 2×44402837² = 3943223867297138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44402833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22201418 + 22201419.

It is an arithmetic number, because the mean of its divisors is an integer number (22201419).

Almost surely, 2^44402837 is an apocalyptic number.

It is an amenable number.

44402837 is a deficient number, since it is larger than the sum of its proper divisors (1).

44402837 is an equidigital number, since it uses as much as digits as its factorization.

44402837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 44402837 is about 6663.5453776499. The cubic root of 44402837 is about 354.1089522810.

The spelling of 44402837 in words is "forty-four million, four hundred two thousand, eight hundred thirty-seven".