21033422322 has 64 divisors (see below), whose sum is σ = 46733580288. Its totient is φ = 6257160000.

The previous prime is 21033422317. The next prime is 21033422357. The reversal of 21033422322 is 22322433012.

It is a super-3 number, since 3×21033422322³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21033422292 and 21033422301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2197447 + ... + 2206997.

It is an arithmetic number, because the mean of its divisors is an integer number (730212192).

Almost surely, 2^21033422322 is an apocalyptic number.

21033422322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 21033422322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23366790144).

21033422322 is an abundant number, since it is smaller than the sum of its proper divisors (25700157966).

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

21033422322 is a wasteful number, since it uses less digits than its factorization.

21033422322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10175.

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

Adding to 21033422322 its reverse (22322433012), we get a palindrome (43355855334).

The spelling of 21033422322 in words is "twenty-one billion, thirty-three million, four hundred twenty-two thousand, three hundred twenty-two".