33222220310021 has 4 divisors (see below), whose sum is σ = 33475825045344. Its totient is φ = 32968615574700.

The previous prime is 33222220310011. The next prime is 33222220310023. The reversal of 33222220310021 is 12001302222233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33222220310021 - 2¹⁴ = 33222220293637 is a prime.

It is a super-2 number, since 2×33222220310021² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33222220310023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126802367465 + ... + 126802367726.

It is an arithmetic number, because the mean of its divisors is an integer number (8368956261336).

Almost surely, 2^{33222220310021} is an apocalyptic number.

It is an amenable number.

33222220310021 is a deficient number, since it is larger than the sum of its proper divisors (253604735323).

33222220310021 is a wasteful number, since it uses less digits than its factorization.

33222220310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253604735322.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 33222220310021 its reverse (12001302222233), we get a palindrome (45223522532254).

The spelling of 33222220310021 in words is "thirty-three trillion, two hundred twenty-two billion, two hundred twenty million, three hundred ten thousand, twenty-one".