30220210 has 16 divisors (see below), whose sum is σ = 54936792. Its totient is φ = 11968000.

The previous prime is 30220207. The next prime is 30220219. The reversal of 30220210 is 1202203.

It can be written as a sum of positive squares in 4 ways, for example, as 29909961 + 310249 = 5469^2 + 557^2 .

It is a super-2 number, since 2×30220210² = 1826522184888200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (30220219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13951 + ... + 15970.

Almost surely, 2^30220210 is an apocalyptic number.

30220210 is a deficient number, since it is larger than the sum of its proper divisors (24716582).

30220210 is a wasteful number, since it uses less digits than its factorization.

30220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30029.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 30220210 is about 5497.2911511034. The cubic root of 30220210 is about 311.4816686754.

Adding to 30220210 its reverse (1202203), we get a palindrome (31422413).

The spelling of 30220210 in words is "thirty million, two hundred twenty thousand, two hundred ten".