33422143 has 8 divisors (see below), whose sum is σ = 34079760. Its totient is φ = 32767680.

The previous prime is 33422117. The next prime is 33422149. The reversal of 33422143 is 34122433.

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 not a de Polignac number, because 33422143 - 2²¹ = 31324991 is a prime.

It is a super-2 number, since 2×33422143² = 2234079285424898, which 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 (33422149) 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, 38571 + ... + 39427.

It is an arithmetic number, because the mean of its divisors is an integer number (4259970).

Almost surely, 2^33422143 is an apocalyptic number.

33422143 is a deficient number, since it is larger than the sum of its proper divisors (657617).

33422143 is an equidigital number, since it uses as much as digits as its factorization.

33422143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577.

The product of its digits is 1728, while the sum is 22.

The square root of 33422143 is about 5781.1887185941. The cubic root of 33422143 is about 322.1153573794.

Adding to 33422143 its reverse (34122433), we get a palindrome (67544576).

The spelling of 33422143 in words is "thirty-three million, four hundred twenty-two thousand, one hundred forty-three".