33333333222 has 64 divisors (see below), whose sum is σ = 76684608000. Its totient is φ = 9462147840.

The previous prime is 33333333217. The next prime is 33333333223. The reversal of 33333333222 is 22233333333.

It is a super-2 number, since 2×33333333222² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 33333333222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33333333223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15879529 + ... + 15881627.

It is an arithmetic number, because the mean of its divisors is an integer number (1198197000).

Almost surely, 2^33333333222 is an apocalyptic number.

33333333222 is an abundant number, since it is smaller than the sum of its proper divisors (43351274778).

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

33333333222 is a wasteful number, since it uses less digits than its factorization.

33333333222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381.

The product of its digits is 52488, while the sum is 30.

Adding to 33333333222 its reverse (22233333333), we get a palindrome (55566666555).

The spelling of 33333333222 in words is "thirty-three billion, three hundred thirty-three million, three hundred thirty-three thousand, two hundred twenty-two".