33220141421 has 4 divisors (see below), whose sum is σ = 33232507392. Its totient is φ = 33207775452.

The previous prime is 33220141417. The next prime is 33220141441. The reversal of 33220141421 is 12414102233.

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 33220141421 - 2² = 33220141417 is a prime.

It is a super-2 number, since 2×33220141421² (a number of 22 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 (33220141441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6178955 + ... + 6184328.

It is an arithmetic number, because the mean of its divisors is an integer number (8308126848).

Almost surely, 2^33220141421 is an apocalyptic number.

It is an amenable number.

33220141421 is a deficient number, since it is larger than the sum of its proper divisors (12365971).

33220141421 is a wasteful number, since it uses less digits than its factorization.

33220141421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12365970.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 33220141421 its reverse (12414102233), we get a palindrome (45634243654).

The spelling of 33220141421 in words is "thirty-three billion, two hundred twenty million, one hundred forty-one thousand, four hundred twenty-one".