33220234140 has 48 divisors (see below), whose sum is σ = 98488226592. Its totient is φ = 8337627136.

The previous prime is 33220234127. The next prime is 33220234141. The reversal of 33220234140 is 4143202233.

It is a super-2 number, since 2×33220234140² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33220234140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33220234141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16283409 + ... + 16285448.

It is an arithmetic number, because the mean of its divisors is an integer number (2051838054).

Almost surely, 2^33220234140 is an apocalyptic number.

33220234140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33220234140 is an abundant number, since it is smaller than the sum of its proper divisors (65267992452).

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

33220234140 is a wasteful number, since it uses less digits than its factorization.

33220234140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32568886 (or 32568884 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 33220234140 its reverse (4143202233), we get a palindrome (37363436373).

The spelling of 33220234140 in words is "thirty-three billion, two hundred twenty million, two hundred thirty-four thousand, one hundred forty".