33221013332 has 48 divisors (see below), whose sum is σ = 65487864960. Its totient is φ = 14630909568.

The previous prime is 33221013257. The next prime is 33221013341. The reversal of 33221013332 is 23331012233.

It is a super-2 number, since 2×33221013332² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 33221013298 and 33221013307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467978 + ... + 534270.

It is an arithmetic number, because the mean of its divisors is an integer number (1364330520).

Almost surely, 2^33221013332 is an apocalyptic number.

It is an amenable number.

33221013332 is a deficient number, since it is larger than the sum of its proper divisors (32266851628).

33221013332 is a wasteful number, since it uses less digits than its factorization.

33221013332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66752 (or 66750 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33221013332 its reverse (23331012233), we get a palindrome (56552025565).

The spelling of 33221013332 in words is "thirty-three billion, two hundred twenty-one million, thirteen thousand, three hundred thirty-two".