33222223221 has 8 divisors (see below), whose sum is σ = 48323233824. Its totient is φ = 20134680720.

The previous prime is 33222223213. The next prime is 33222223231. The reversal of 33222223221 is 12232222233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33222223221 - 2³ = 33222223213 is a prime.

It is a super-2 number, since 2×33222223221² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33222223191 and 33222223200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33222223231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503366986 + ... + 503367051.

It is an arithmetic number, because the mean of its divisors is an integer number (6040404228).

Almost surely, 2^33222223221 is an apocalyptic number.

It is an amenable number.

33222223221 is a deficient number, since it is larger than the sum of its proper divisors (15101010603).

33222223221 is a wasteful number, since it uses less digits than its factorization.

33222223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006734051.

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

Adding to 33222223221 its reverse (12232222233), we get a palindrome (45454445454).

The spelling of 33222223221 in words is "thirty-three billion, two hundred twenty-two million, two hundred twenty-three thousand, two hundred twenty-one".