33572212 has 12 divisors (see below), whose sum is σ = 62207460. Its totient is φ = 15798656.

The previous prime is 33572191. The next prime is 33572219. The reversal of 33572212 is 21227533.

It can be written as a sum of positive squares in 2 ways, for example, as 10010896 + 23561316 = 3164^2 + 4854^2 .

It is a super-2 number, since 2×33572212² = 2254186837145888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33572219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246787 + ... + 246922.

It is an arithmetic number, because the mean of its divisors is an integer number (5183955).

Almost surely, 2^33572212 is an apocalyptic number.

It is an amenable number.

33572212 is a deficient number, since it is larger than the sum of its proper divisors (28635248).

33572212 is a wasteful number, since it uses less digits than its factorization.

33572212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493730 (or 493728 counting only the distinct ones).

The product of its digits is 2520, while the sum is 25.

The square root of 33572212 is about 5794.1532599682. The cubic root of 33572212 is about 322.5967484103.

Adding to 33572212 its reverse (21227533), we get a palindrome (54799745).

The spelling of 33572212 in words is "thirty-three million, five hundred seventy-two thousand, two hundred twelve".