35221005481 has 4 divisors (see below), whose sum is σ = 35361328464. Its totient is φ = 35080682500.

The previous prime is 35221005473. The next prime is 35221005487. The reversal of 35221005481 is 18450012253.

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 35221005481 - 2³ = 35221005473 is a prime.

It is a super-2 number, since 2×35221005481² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35221005487) 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, 70161115 + ... + 70161616.

It is an arithmetic number, because the mean of its divisors is an integer number (8840332116).

Almost surely, 2^35221005481 is an apocalyptic number.

It is an amenable number.

35221005481 is a deficient number, since it is larger than the sum of its proper divisors (140322983).

35221005481 is a wasteful number, since it uses less digits than its factorization.

35221005481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140322982.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 35221005481 in words is "thirty-five billion, two hundred twenty-one million, five thousand, four hundred eighty-one".