33221430416 has 20 divisors (see below), whose sum is σ = 64398591024. Its totient is φ = 16602439200.

The previous prime is 33221430409. The next prime is 33221430421. The reversal of 33221430416 is 61403412233.

It is a super-2 number, since 2×33221430416² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 484070 + ... + 548421.

Almost surely, 2^33221430416 is an apocalyptic number.

It is an amenable number.

33221430416 is a deficient number, since it is larger than the sum of its proper divisors (31177160608).

33221430416 is a wasteful number, since it uses less digits than its factorization.

33221430416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034510 (or 1034504 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 33221430416 its reverse (61403412233), we get a palindrome (94624842649).

The spelling of 33221430416 in words is "thirty-three billion, two hundred twenty-one million, four hundred thirty thousand, four hundred sixteen".