33221143132 has 12 divisors (see below), whose sum is σ = 59489024056. Its totient is φ = 16224279120.

The previous prime is 33221143099. The next prime is 33221143139. The reversal of 33221143132 is 23134112233.

It is a super-2 number, since 2×33221143132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33221143097 and 33221143106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33221143139) 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, 96572919 + ... + 96573262.

Almost surely, 2^33221143132 is an apocalyptic number.

It is an amenable number.

33221143132 is a deficient number, since it is larger than the sum of its proper divisors (26267880924).

33221143132 is a wasteful number, since it uses less digits than its factorization.

33221143132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193146228 (or 193146226 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 33221143132 its reverse (23134112233), we get a palindrome (56355255365).

The spelling of 33221143132 in words is "thirty-three billion, two hundred twenty-one million, one hundred forty-three thousand, one hundred thirty-two".