44820869 has 2 divisors, whose sum is σ = 44820870. Its totient is φ = 44820868.

The previous prime is 44820851. The next prime is 44820899. The reversal of 44820869 is 96802844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29571844 + 15249025 = 5438^2 + 3905^2 .

It is a cyclic number.

It is not a de Polignac number, because 44820869 - 2¹² = 44816773 is a prime.

It is a super-2 number, since 2×44820869² = 4017820595830322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44820899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22410434 + 22410435.

It is an arithmetic number, because the mean of its divisors is an integer number (22410435).

Almost surely, 2^44820869 is an apocalyptic number.

It is an amenable number.

44820869 is a deficient number, since it is larger than the sum of its proper divisors (1).

44820869 is an equidigital number, since it uses as much as digits as its factorization.

44820869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 44820869 is about 6694.8389823804. The cubic root of 44820869 is about 355.2167399594.

The spelling of 44820869 in words is "forty-four million, eight hundred twenty thousand, eight hundred sixty-nine".