33222421222 has 16 divisors (see below), whose sum is σ = 50906842560. Its totient is φ = 16253653248.

The previous prime is 33222421129. The next prime is 33222421223. The reversal of 33222421222 is 22212422233.

It is a super-2 number, since 2×33222421222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33222421223) 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, 345328 + ... + 430924.

It is an arithmetic number, because the mean of its divisors is an integer number (3181677660).

Almost surely, 2^33222421222 is an apocalyptic number.

33222421222 is a deficient number, since it is larger than the sum of its proper divisors (17684421338).

33222421222 is a wasteful number, since it uses less digits than its factorization.

33222421222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89775.

The product of its digits is 4608, while the sum is 25.

Adding to 33222421222 its reverse (22212422233), we get a palindrome (55434843455).

The spelling of 33222421222 in words is "thirty-three billion, two hundred twenty-two million, four hundred twenty-one thousand, two hundred twenty-two".