33220030 has 8 divisors (see below), whose sum is σ = 59796072. Its totient is φ = 13288008.

The previous prime is 33220013. The next prime is 33220049. The reversal of 33220030 is 3002233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33220030² = 2207140786401800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660992 + ... + 1661011.

It is an arithmetic number, because the mean of its divisors is an integer number (7474509).

Almost surely, 2^33220030 is an apocalyptic number.

33220030 is a deficient number, since it is larger than the sum of its proper divisors (26576042).

33220030 is a wasteful number, since it uses less digits than its factorization.

33220030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322010.

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 33220030 is about 5763.6819828995. The cubic root of 33220030 is about 321.4647370477.

Adding to 33220030 its reverse (3002233), we get a palindrome (36222263).

The spelling of 33220030 in words is "thirty-three million, two hundred twenty thousand, thirty".