44224304621 has 6 divisors (see below), whose sum is σ = 51444599310. Its totient is φ = 37906546776.

The previous prime is 44224304599. The next prime is 44224304623. The reversal of 44224304621 is 12640342244.

It can be written as a sum of positive squares in only one way, i.e., 35517548521 + 8706756100 = 188461^2 + 93310^2 .

It is not a de Polignac number, because 44224304621 - 2²⁶ = 44157195757 is a prime.

It is a super-2 number, since 2×44224304621² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44224304623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 451268366 + ... + 451268463.

It is an arithmetic number, because the mean of its divisors is an integer number (8574099885).

Almost surely, 2^44224304621 is an apocalyptic number.

It is an amenable number.

44224304621 is a deficient number, since it is larger than the sum of its proper divisors (7220294689).

44224304621 is an equidigital number, since it uses as much as digits as its factorization.

44224304621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902536843 (or 902536836 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 44224304621 its reverse (12640342244), we get a palindrome (56864646865).

The spelling of 44224304621 in words is "forty-four billion, two hundred twenty-four million, three hundred four thousand, six hundred twenty-one".