33224020432 has 20 divisors (see below), whose sum is σ = 64478665636. Its totient is φ = 16584364800.

The previous prime is 33224020399. The next prime is 33224020439. The reversal of 33224020432 is 23402042233.

It can be written as a sum of positive squares in 2 ways, for example, as 11095672896 + 22128347536 = 105336^2 + 148756^2 .

It is a super-2 number, since 2×33224020432² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33224020397 and 33224020406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33224020439) 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, 1717923 + ... + 1737154.

Almost surely, 2^33224020432 is an apocalyptic number.

It is an amenable number.

33224020432 is a deficient number, since it is larger than the sum of its proper divisors (31254645204).

33224020432 is a wasteful number, since it uses less digits than its factorization.

33224020432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455686 (or 3455680 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 33224020432 its reverse (23402042233), we get a palindrome (56626062665).

The spelling of 33224020432 in words is "thirty-three billion, two hundred twenty-four million, twenty thousand, four hundred thirty-two".