33220202222221 has 8 divisors (see below), whose sum is σ = 37967949345600. Its totient is φ = 28472956086048.

The previous prime is 33220202222219. The next prime is 33220202222281. The reversal of 33220202222221 is 12222220202233.

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

It is a cyclic number.

It is not a de Polignac number, because 33220202222221 - 2¹ = 33220202222219 is a prime.

It is a super-2 number, since 2×33220202222221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33220202222281) 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, 125104696 + ... + 125369953.

It is an arithmetic number, because the mean of its divisors is an integer number (4745993668200).

Almost surely, 2^{33220202222221} is an apocalyptic number.

It is an amenable number.

33220202222221 is a deficient number, since it is larger than the sum of its proper divisors (4747747123379).

33220202222221 is a wasteful number, since it uses less digits than its factorization.

33220202222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250493603.

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

Adding to 33220202222221 its reverse (12222220202233), we get a palindrome (45442422424454).

The spelling of 33220202222221 in words is "thirty-three trillion, two hundred twenty billion, two hundred two million, two hundred twenty-two thousand, two hundred twenty-one".