33222212353 has 16 divisors (see below), whose sum is σ = 36633332736. Its totient is φ = 29876873040.

The previous prime is 33222212267. The next prime is 33222212369. The reversal of 33222212353 is 35321222233.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33222212353 is a prime.

It is a super-2 number, since 2×33222212353² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33222212953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080450 + ... + 1110772.

It is an arithmetic number, because the mean of its divisors is an integer number (2289583296).

Almost surely, 2^33222212353 is an apocalyptic number.

It is an amenable number.

33222212353 is a deficient number, since it is larger than the sum of its proper divisors (3411120383).

33222212353 is a wasteful number, since it uses less digits than its factorization.

33222212353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31404.

The product of its digits is 12960, while the sum is 28.

Adding to 33222212353 its reverse (35321222233), we get a palindrome (68543434586).

The spelling of 33222212353 in words is "thirty-three billion, two hundred twenty-two million, two hundred twelve thousand, three hundred fifty-three".