33223420444 has 24 divisors (see below), whose sum is σ = 61209868160. Its totient is φ = 15735139056.

The previous prime is 33223420421. The next prime is 33223420493. The reversal of 33223420444 is 44402432233.

It is a happy number.

It is a super-2 number, since 2×33223420444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 574879 + ... + 630025.

Almost surely, 2^33223420444 is an apocalyptic number.

It is an amenable number.

33223420444 is a deficient number, since it is larger than the sum of its proper divisors (27986447716).

33223420444 is a wasteful number, since it uses less digits than its factorization.

33223420444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63097 (or 63095 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 33223420444 its reverse (44402432233), we get a palindrome (77625852677).

The spelling of 33223420444 in words is "thirty-three billion, two hundred twenty-three million, four hundred twenty thousand, four hundred forty-four".