33224748642 has 30 divisors (see below), whose sum is σ = 74453246769. Its totient is φ = 11074142880.

The previous prime is 33224748631. The next prime is 33224748727. The reversal of 33224748642 is 24684742233.

It can be written as a sum of positive squares in 2 ways, for example, as 20121138801 + 13103609841 = 141849^2 + 114471^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=128889.

It is a super-2 number, since 2×33224748642² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2312842 + ... + 2327162.

Almost surely, 2^33224748642 is an apocalyptic number.

33224748642 is an abundant number, since it is smaller than the sum of its proper divisors (41228498127).

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

33224748642 is an frugal number, since it uses more digits than its factorization.

33224748642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28656 (or 14326 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 45.

The spelling of 33224748642 in words is "thirty-three billion, two hundred twenty-four million, seven hundred forty-eight thousand, six hundred forty-two".