33354342 has 80 divisors (see below), whose sum is σ = 86887680. Its totient is φ = 9366192.

The previous prime is 33354337. The next prime is 33354397. The reversal of 33354342 is 24345333.

It is a happy number.

It is a super-2 number, since 2×33354342² = 2225024260505928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 75759 + ... + 76197.

It is an arithmetic number, because the mean of its divisors is an integer number (1086096).

Almost surely, 2^33354342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33354342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43443840).

33354342 is an abundant number, since it is smaller than the sum of its proper divisors (53533338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33354342 is a wasteful number, since it uses less digits than its factorization.

33354342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 518 counting only the distinct ones).

The product of its digits is 12960, while the sum is 27.

The square root of 33354342 is about 5775.3218092155. The cubic root of 33354342 is about 321.8973928179.

Adding to 33354342 its reverse (24345333), we get a palindrome (57699675).

Subtracting from 33354342 its reverse (24345333), we obtain a palindrome (9009009).

The spelling of 33354342 in words is "thirty-three million, three hundred fifty-four thousand, three hundred forty-two".