33222212340 has 24 divisors (see below), whose sum is σ = 93022194720. Its totient is φ = 8859256608.

The previous prime is 33222212267. The next prime is 33222212369. The reversal of 33222212340 is 4321222233.

It is a super-2 number, since 2×33222212340² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33222212340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276851710 + ... + 276851829.

It is an arithmetic number, because the mean of its divisors is an integer number (3875924780).

Almost surely, 2^33222212340 is an apocalyptic number.

33222212340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33222212340 is an abundant number, since it is smaller than the sum of its proper divisors (59799982380).

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

33222212340 is a wasteful number, since it uses less digits than its factorization.

33222212340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553703551 (or 553703549 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 33222212340 its reverse (4321222233), we get a palindrome (37543434573).

The spelling of 33222212340 in words is "thirty-three billion, two hundred twenty-two million, two hundred twelve thousand, three hundred forty".