33522131000 has 64 divisors (see below), whose sum is σ = 78522799680. Its totient is φ = 13395004800.

The previous prime is 33522130997. The next prime is 33522131023. The reversal of 33522131000 is 13122533.

It is a super-2 number, since 2×33522131000² (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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980189 + ... + 1013811.

It is an arithmetic number, because the mean of its divisors is an integer number (1226918745).

Almost surely, 2^33522131000 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 33522131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39261399840).

33522131000 is an abundant number, since it is smaller than the sum of its proper divisors (45000668680).

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

33522131000 is a wasteful number, since it uses less digits than its factorization.

33522131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34641 (or 34627 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 33522131000 its reverse (13122533), we get a palindrome (33535253533).

The spelling of 33522131000 in words is "thirty-three billion, five hundred twenty-two million, one hundred thirty-one thousand".