33221144000 has 112 divisors (see below), whose sum is σ = 89751688416. Its totient is φ = 12080384000.

The previous prime is 33221143999. The next prime is 33221144029. The reversal of 33221144000 is 44112233.

It is a super-2 number, since 2×33221144000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a zygodrome in base 10.

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 15 ways as a sum of consecutive naturals, for example, 100757 + ... + 276756.

Almost surely, 2^33221144000 is an apocalyptic number.

It is an amenable number.

33221144000 is an abundant number, since it is smaller than the sum of its proper divisors (56530544416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33221144000 is a wasteful number, since it uses less digits than its factorization.

33221144000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377551 (or 377531 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 33221144000 its reverse (44112233), we get a palindrome (33265256233).

The spelling of 33221144000 in words is "thirty-three billion, two hundred twenty-one million, one hundred forty-four thousand".