33122223424 has 28 divisors (see below), whose sum is σ = 66627290164. Its totient is φ = 16334244864.

The previous prime is 33122223319. The next prime is 33122223427. The reversal of 33122223424 is 42432222133.

It can be written as a sum of positive squares in 2 ways, for example, as 11109160000 + 22013063424 = 105400^2 + 148368^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33122223392 and 33122223401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33122223427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3540087 + ... + 3549430.

Almost surely, 2^33122223424 is an apocalyptic number.

It is an amenable number.

33122223424 is an abundant number, since it is smaller than the sum of its proper divisors (33505066740).

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

33122223424 is an equidigital number, since it uses as much as digits as its factorization.

33122223424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7089602 (or 7089592 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

Adding to 33122223424 its reverse (42432222133), we get a palindrome (75554445557).

The spelling of 33122223424 in words is "thirty-three billion, one hundred twenty-two million, two hundred twenty-three thousand, four hundred twenty-four".