33427212 has 72 divisors (see below), whose sum is σ = 97732656. Its totient is φ = 8813952.

The previous prime is 33427201. The next prime is 33427231. The reversal of 33427212 is 21272433.

It is a super-2 number, since 2×33427212² = 2234757004185888, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5458 + ... + 9830.

It is an arithmetic number, because the mean of its divisors is an integer number (1357398).

Almost surely, 2^33427212 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 33427212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48866328).

33427212 is an abundant number, since it is smaller than the sum of its proper divisors (64305444).

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

33427212 is a wasteful number, since it uses less digits than its factorization.

33427212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407 (or 4398 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 33427212 is about 5781.6271066197. The cubic root of 33427212 is about 322.1316411967.

Adding to 33427212 its reverse (21272433), we get a palindrome (54699645).

The spelling of 33427212 in words is "thirty-three million, four hundred twenty-seven thousand, two hundred twelve".