44362621 has 2 divisors, whose sum is σ = 44362622. Its totient is φ = 44362620.

The previous prime is 44362613. The next prime is 44362649. The reversal of 44362621 is 12626344.

It is an a-pointer prime, because the next prime (44362649) can be obtained adding 44362621 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25613721 + 18748900 = 5061^2 + 4330^2 .

It is a cyclic number.

It is not a de Polignac number, because 44362621 - 2³ = 44362613 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44362621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44362601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22181310 + 22181311.

It is an arithmetic number, because the mean of its divisors is an integer number (22181311).

Almost surely, 2^44362621 is an apocalyptic number.

It is an amenable number.

44362621 is a deficient number, since it is larger than the sum of its proper divisors (1).

44362621 is an equidigital number, since it uses as much as digits as its factorization.

44362621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

The square root of 44362621 is about 6660.5270812451. The cubic root of 44362621 is about 354.0020135649.

Adding to 44362621 its reverse (12626344), we get a palindrome (56988965).

The spelling of 44362621 in words is "forty-four million, three hundred sixty-two thousand, six hundred twenty-one".