33421223605 has 32 divisors (see below), whose sum is σ = 50021959680. Its totient is φ = 20825536320.

The previous prime is 33421223599. The next prime is 33421223621. The reversal of 33421223605 is 50632212433.

It is not a de Polignac number, because 33421223605 - 2⁹ = 33421223093 is a prime.

It is a super-3 number, since 3×33421223605³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1007392 + ... + 1040038.

It is an arithmetic number, because the mean of its divisors is an integer number (1563186240).

Almost surely, 2^33421223605 is an apocalyptic number.

33421223605 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33421223605 is a deficient number, since it is larger than the sum of its proper divisors (16600736075).

33421223605 is a wasteful number, since it uses less digits than its factorization.

33421223605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35329.

The product of its (nonzero) digits is 25920, while the sum is 31.

The spelling of 33421223605 in words is "thirty-three billion, four hundred twenty-one million, two hundred twenty-three thousand, six hundred five".