33223130 has 16 divisors (see below), whose sum is σ = 60332904. Its totient is φ = 13171200.

The previous prime is 33223129. The next prime is 33223159. The reversal of 33223130 is 3132233.

It can be written as a sum of positive squares in 4 ways, for example, as 9320809 + 23902321 = 3053^2 + 4889^2 .

It is a super-2 number, since 2×33223130² = 2207552733993800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33223099 and 33223108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13571 + ... + 15830.

Almost surely, 2^33223130 is an apocalyptic number.

33223130 is a deficient number, since it is larger than the sum of its proper divisors (27109774).

33223130 is a wasteful number, since it uses less digits than its factorization.

33223130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29521.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 33223130 is about 5763.9509019422. The cubic root of 33223130 is about 321.4747361324.

Adding to 33223130 its reverse (3132233), we get a palindrome (36355363).

The spelling of 33223130 in words is "thirty-three million, two hundred twenty-three thousand, one hundred thirty".