44602021 has 4 divisors (see below), whose sum is σ = 44678592. Its totient is φ = 44525452.

The previous prime is 44602009. The next prime is 44602043. The reversal of 44602021 is 12020644.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44602021 - 2⁵ = 44601989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44602021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44602001) 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 in 3 ways as a sum of consecutive naturals, for example, 37405 + ... + 38578.

It is an arithmetic number, because the mean of its divisors is an integer number (11169648).

Almost surely, 2^44602021 is an apocalyptic number.

It is an amenable number.

44602021 is a deficient number, since it is larger than the sum of its proper divisors (76571).

44602021 is an equidigital number, since it uses as much as digits as its factorization.

44602021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76570.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 44602021 is about 6678.4744515495. The cubic root of 44602021 is about 354.6376544844.

Adding to 44602021 its reverse (12020644), we get a palindrome (56622665).

The spelling of 44602021 in words is "forty-four million, six hundred two thousand, twenty-one".