33221030 has 32 divisors (see below), whose sum is σ = 61106400. Its totient is φ = 13001472.

The previous prime is 33221011. The next prime is 33221047. The reversal of 33221030 is 3012233.

It is a super-2 number, since 2×33221030² = 2207273668521800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33220996 and 33221014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144956 + ... + 145184.

It is an arithmetic number, because the mean of its divisors is an integer number (1909575).

Almost surely, 2^33221030 is an apocalyptic number.

33221030 is a deficient number, since it is larger than the sum of its proper divisors (27885370).

33221030 is a wasteful number, since it uses less digits than its factorization.

33221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 33221030 is about 5763.7687323487. The cubic root of 33221030 is about 321.4679626268.

Adding to 33221030 its reverse (3012233), we get a palindrome (36233263).

The spelling of 33221030 in words is "thirty-three million, two hundred twenty-one thousand, thirty".