33420442221223 has 8 divisors (see below), whose sum is σ = 34270402644576. Its totient is φ = 32572140259200.

The previous prime is 33420442221169. The next prime is 33420442221239. The reversal of 33420442221223 is 32212224402433.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33420442221223 is a prime.

It is a super-2 number, since 2×33420442221223² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33420442921223) 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, 414574518 + ... + 414655123.

It is an arithmetic number, because the mean of its divisors is an integer number (4283800330572).

Almost surely, 2^{33420442221223} is an apocalyptic number.

33420442221223 is a deficient number, since it is larger than the sum of its proper divisors (849960423353).

33420442221223 is an equidigital number, since it uses as much as digits as its factorization.

33420442221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829230665.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 33420442221223 its reverse (32212224402433), we get a palindrome (65632666623656).

The spelling of 33420442221223 in words is "thirty-three trillion, four hundred twenty billion, four hundred forty-two million, two hundred twenty-one thousand, two hundred twenty-three".