33220421342 has 8 divisors (see below), whose sum is σ = 49934664000. Its totient is φ = 16575533344.

The previous prime is 33220421341. The next prime is 33220421347. The reversal of 33220421342 is 24312402233.

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

It is a super-2 number, since 2×33220421342² (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 (33220421341) 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, 17337467 + ... + 17339382.

It is an arithmetic number, because the mean of its divisors is an integer number (6241833000).

Almost surely, 2^33220421342 is an apocalyptic number.

33220421342 is a deficient number, since it is larger than the sum of its proper divisors (16714242658).

33220421342 is a wasteful number, since it uses less digits than its factorization.

33220421342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34677330.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 33220421342 its reverse (24312402233), we get a palindrome (57532823575).

The spelling of 33220421342 in words is "thirty-three billion, two hundred twenty million, four hundred twenty-one thousand, three hundred forty-two".