33422331 has 4 divisors (see below), whose sum is σ = 44563112. Its totient is φ = 22281552.

The previous prime is 33422329. The next prime is 33422341. The reversal of 33422331 is 13322433.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 33422331 - 2¹ = 33422329 is a prime.

It is a super-2 number, since 2×33422331² = 2234104418947122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33422298 and 33422307.

It is not an unprimeable number, because it can be changed into a prime (33422341) 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, 5570386 + ... + 5570391.

It is an arithmetic number, because the mean of its divisors is an integer number (11140778).

Almost surely, 2^33422331 is an apocalyptic number.

33422331 is a deficient number, since it is larger than the sum of its proper divisors (11140781).

33422331 is a wasteful number, since it uses less digits than its factorization.

33422331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11140780.

The product of its digits is 1296, while the sum is 21.

The square root of 33422331 is about 5781.2049782031. The cubic root of 33422331 is about 322.1159613460.

Adding to 33422331 its reverse (13322433), we get a palindrome (46744764).

The spelling of 33422331 in words is "thirty-three million, four hundred twenty-two thousand, three hundred thirty-one".