33222240000 has 270 divisors, whose sum is σ = 119701758176. Its totient is φ = 8858880000.

The previous prime is 33222239977. The next prime is 33222240011. The reversal of 33222240000 is 4222233.

It is a super-2 number, since 2×33222240000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1428465 + ... + 1451535.

Almost surely, 2^33222240000 is an apocalyptic number.

33222240000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33222240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59850879088).

33222240000 is an abundant number, since it is smaller than the sum of its proper divisors (86479518176).

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

33222240000 is an equidigital number, since it uses as much as digits as its factorization.

33222240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23113 (or 23081 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 33222240000 its reverse (4222233), we get a palindrome (33226462233).

The spelling of 33222240000 in words is "thirty-three billion, two hundred twenty-two million, two hundred forty thousand".