30220244 has 12 divisors (see below), whose sum is σ = 53054484. Its totient is φ = 15061824.

The previous prime is 30220219. The next prime is 30220273. The reversal of 30220244 is 44202203.

It can be written as a sum of positive squares in 2 ways, for example, as 13410244 + 16810000 = 3662^2 + 4100^2 .

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, 10649 + ... + 13184.

It is an arithmetic number, because the mean of its divisors is an integer number (4421207).

Almost surely, 2^30220244 is an apocalyptic number.

It is an amenable number.

30220244 is a deficient number, since it is larger than the sum of its proper divisors (22834240).

30220244 is a wasteful number, since it uses less digits than its factorization.

30220244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24154 (or 24152 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 30220244 is about 5497.2942435347. The cubic root of 30220244 is about 311.4817854887.

Adding to 30220244 its reverse (44202203), we get a palindrome (74422447).

The spelling of 30220244 in words is "thirty million, two hundred twenty thousand, two hundred forty-four".