35544230221 has 4 divisors (see below), whose sum is σ = 37414979200. Its totient is φ = 33673481244.

The previous prime is 35544230177. The next prime is 35544230237. The reversal of 35544230221 is 12203244553.

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 35544230221 - 2¹⁵ = 35544197453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35544237221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935374461 + ... + 935374498.

It is an arithmetic number, because the mean of its divisors is an integer number (9353744800).

Almost surely, 2^35544230221 is an apocalyptic number.

It is an amenable number.

35544230221 is a deficient number, since it is larger than the sum of its proper divisors (1870748979).

35544230221 is a wasteful number, since it uses less digits than its factorization.

35544230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870748978.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 35544230221 its reverse (12203244553), we get a palindrome (47747474774).

The spelling of 35544230221 in words is "thirty-five billion, five hundred forty-four million, two hundred thirty thousand, two hundred twenty-one".