33266142 has 96 divisors (see below), whose sum is σ = 92671488. Its totient is φ = 8382528.

The previous prime is 33266141. The next prime is 33266159. The reversal of 33266142 is 24166233.

It is a super-2 number, since 2×33266142² = 2213272407128328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33266141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37233 + ... + 38115.

It is an arithmetic number, because the mean of its divisors is an integer number (965328).

Almost surely, 2^33266142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33266142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46335744).

33266142 is an abundant number, since it is smaller than the sum of its proper divisors (59405346).

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

33266142 is a wasteful number, since it uses less digits than its factorization.

33266142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 931 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 33266142 is about 5767.6808164114. The cubic root of 33266142 is about 321.6134076797.

Subtracting from 33266142 its reverse (24166233), we obtain a palindrome (9099909).

The spelling of 33266142 in words is "thirty-three million, two hundred sixty-six thousand, one hundred forty-two".