33402222040 has 128 divisors (see below), whose sum is σ = 84932582400. Its totient is φ = 11711096320.

The previous prime is 33402222037. The next prime is 33402222041. The reversal of 33402222040 is 4022220433.

It is a super-2 number, since 2×33402222040² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33402222041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12541749 + ... + 12544411.

It is an arithmetic number, because the mean of its divisors is an integer number (663535800).

Almost surely, 2^33402222040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33402222040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42466291200).

33402222040 is an abundant number, since it is smaller than the sum of its proper divisors (51530360360).

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

33402222040 is a wasteful number, since it uses less digits than its factorization.

33402222040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697 (or 3693 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 33402222040 its reverse (4022220433), we get a palindrome (37424442473).

It can be divided in two parts, 3 and 3402222040, that added together give a palindrome (3402222043).

The spelling of 33402222040 in words is "thirty-three billion, four hundred two million, two hundred twenty-two thousand, forty".