201224330 has 16 divisors (see below), whose sum is σ = 374694120. Its totient is φ = 77714112.

The previous prime is 201224321. The next prime is 201224339. The reversal of 201224330 is 33422102.

It is an interprime number because it is at equal distance from previous prime (201224321) and next prime (201224339).

It can be written as a sum of positive squares in 4 ways, for example, as 135792409 + 65431921 = 11653^2 + 8089^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201224299 and 201224308.

It is not an unprimeable number, because it can be changed into a prime (201224339) 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, 346649 + ... + 347228.

Almost surely, 2^201224330 is an apocalyptic number.

201224330 is a deficient number, since it is larger than the sum of its proper divisors (173469790).

201224330 is a wasteful number, since it uses less digits than its factorization.

201224330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693913.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 201224330 is about 14185.3561816403. The cubic root of 201224330 is about 585.9944417385.

Adding to 201224330 its reverse (33422102), we get a palindrome (234646432).

The spelling of 201224330 in words is "two hundred one million, two hundred twenty-four thousand, three hundred thirty".