33222010 has 16 divisors (see below), whose sum is σ = 59868072. Its totient is φ = 13273600.

The previous prime is 33221999. The next prime is 33222047. The reversal of 33222010 is 1022233.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13535041 + 19686969 = 3679^2 + 4437^2 .

It is a super-2 number, since 2×33222010² = 2207403896880200, which contains 22 as substring.

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, 12390 + ... + 14830.

Almost surely, 2^33222010 is an apocalyptic number.

33222010 is a deficient number, since it is larger than the sum of its proper divisors (26646062).

33222010 is a wasteful number, since it uses less digits than its factorization.

33222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 33222010 is about 5763.8537455421. The cubic root of 33222010 is about 321.4711236316.

Adding to 33222010 its reverse (1022233), we get a palindrome (34244243).

The spelling of 33222010 in words is "thirty-three million, two hundred twenty-two thousand, ten".