33234140 has 48 divisors (see below), whose sum is σ = 72573312. Its totient is φ = 12773376.

The previous prime is 33234121. The next prime is 33234163. The reversal of 33234140 is 4143233.

It is a super-2 number, since 2×33234140² = 2209016123079200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71549 + ... + 72011.

It is an arithmetic number, because the mean of its divisors is an integer number (1511944).

Almost surely, 2^33234140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33234140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36286656).

33234140 is an abundant number, since it is smaller than the sum of its proper divisors (39339172).

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

33234140 is a wasteful number, since it uses less digits than its factorization.

33234140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 33234140 is about 5764.9058968903. The cubic root of 33234140 is about 321.5102439843.

Adding to 33234140 its reverse (4143233), we get a palindrome (37377373).

The spelling of 33234140 in words is "thirty-three million, two hundred thirty-four thousand, one hundred forty".