30206224 has 20 divisors (see below), whose sum is σ = 59485900. Its totient is φ = 14855040.

The previous prime is 30206221. The next prime is 30206227. The reversal of 30206224 is 42260203.

It is an interprime number because it is at equal distance from previous prime (30206221) and next prime (30206227).

It can be written as a sum of positive squares in 2 ways, for example, as 14745600 + 15460624 = 3840^2 + 3932^2 .

It is not an unprimeable number, because it can be changed into a prime (30206221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14499 + ... + 16450.

It is an arithmetic number, because the mean of its divisors is an integer number (2974295).

Almost surely, 2^30206224 is an apocalyptic number.

It is an amenable number.

30206224 is a deficient number, since it is larger than the sum of its proper divisors (29279676).

30206224 is a wasteful number, since it uses less digits than its factorization.

30206224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31018 (or 31012 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 30206224 is about 5496.0189228204. The cubic root of 30206224 is about 311.4336097237.

Adding to 30206224 its reverse (42260203), we get a palindrome (72466427).

The spelling of 30206224 in words is "thirty million, two hundred six thousand, two hundred twenty-four".