44202434221 has 4 divisors (see below), whose sum is σ = 48220837344. Its totient is φ = 40184031100.

The previous prime is 44202434203. The next prime is 44202434231. The reversal of 44202434221 is 12243420244.

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 44202434221 - 2¹³ = 44202426029 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 44202434221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44202434231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009201545 + ... + 2009201566.

It is an arithmetic number, because the mean of its divisors is an integer number (12055209336).

Almost surely, 2^44202434221 is an apocalyptic number.

It is an amenable number.

44202434221 is a deficient number, since it is larger than the sum of its proper divisors (4018403123).

44202434221 is a wasteful number, since it uses less digits than its factorization.

44202434221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018403122.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 44202434221 its reverse (12243420244), we get a palindrome (56445854465).

The spelling of 44202434221 in words is "forty-four billion, two hundred two million, four hundred thirty-four thousand, two hundred twenty-one".