33125222 has 16 divisors (see below), whose sum is σ = 54756240. Its totient is φ = 14932512.

The previous prime is 33125219. The next prime is 33125243. The reversal of 33125222 is 22252133.

It is a junction number, because it is equal to n+sod(n) for n = 33125194 and 33125203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13697 + ... + 15932.

It is an arithmetic number, because the mean of its divisors is an integer number (3422265).

Almost surely, 2^33125222 is an apocalyptic number.

33125222 is a deficient number, since it is larger than the sum of its proper divisors (21631018).

33125222 is a wasteful number, since it uses less digits than its factorization.

33125222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29687.

The product of its digits is 720, while the sum is 20.

The square root of 33125222 is about 5755.4515027059. The cubic root of 33125222 is about 321.1586318812.

Adding to 33125222 its reverse (22252133), we get a palindrome (55377355).

The spelling of 33125222 in words is "thirty-three million, one hundred twenty-five thousand, two hundred twenty-two".