33254442 has 64 divisors (see below), whose sum is σ = 80424960. Its totient is φ = 10124352.

The previous prime is 33254411. The next prime is 33254447. The reversal of 33254442 is 24445233.

It is a super-2 number, since 2×33254442² = 2211715825462728, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (33254447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88968 + ... + 89340.

It is an arithmetic number, because the mean of its divisors is an integer number (1256640).

Almost surely, 2^33254442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33254442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40212480).

33254442 is an abundant number, since it is smaller than the sum of its proper divisors (47170518).

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

33254442 is a wasteful number, since it uses less digits than its factorization.

33254442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 518 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 33254442 is about 5766.6664547206. Note that the first 3 decimals coincide. The cubic root of 33254442 is about 321.5756984867.

Adding to 33254442 its reverse (24445233), we get a palindrome (57699675).

The spelling of 33254442 in words is "thirty-three million, two hundred fifty-four thousand, four hundred forty-two".