33642222224 has 20 divisors (see below), whose sum is σ = 70195791036. Its totient is φ = 15527179392.

The previous prime is 33642222113. The next prime is 33642222239. The reversal of 33642222224 is 42222224633.

It can be written as a sum of positive squares in 2 ways, for example, as 18206644624 + 15435577600 = 134932^2 + 124240^2 .

It is a super-2 number, since 2×33642222224² (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 3 ways as a sum of consecutive naturals, for example, 80870519 + ... + 80870934.

Almost surely, 2^33642222224 is an apocalyptic number.

It is an amenable number.

33642222224 is an abundant number, since it is smaller than the sum of its proper divisors (36553568812).

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

33642222224 is a wasteful number, since it uses less digits than its factorization.

33642222224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161741474 (or 161741468 counting only the distinct ones).

The product of its digits is 55296, while the sum is 32.

Adding to 33642222224 its reverse (42222224633), we get a palindrome (75864446857).

The spelling of 33642222224 in words is "thirty-three billion, six hundred forty-two million, two hundred twenty-two thousand, two hundred twenty-four".