33212210022 has 12 divisors (see below), whose sum is σ = 71959788420. Its totient is φ = 11070736668.

The previous prime is 33212209997. The next prime is 33212210027. The reversal of 33212210022 is 22001221233.

It is a super-2 number, since 2×33212210022² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1845122779 = 33212210022 / (3 + 3 + 2 + 1 + 2 + 2 + 1 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 33212209977 and 33212210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33212210027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 922561372 + ... + 922561407.

It is an arithmetic number, because the mean of its divisors is an integer number (5996649035).

Almost surely, 2^33212210022 is an apocalyptic number.

33212210022 is an abundant number, since it is smaller than the sum of its proper divisors (38747578398).

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

33212210022 is a wasteful number, since it uses less digits than its factorization.

33212210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845122787 (or 1845122784 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 33212210022 its reverse (22001221233), we get a palindrome (55213431255).

The spelling of 33212210022 in words is "thirty-three billion, two hundred twelve million, two hundred ten thousand, twenty-two".