30220663 has 8 divisors (see below), whose sum is σ = 33022080. Its totient is φ = 27428280.

The previous prime is 30220661. The next prime is 30220667. The reversal of 30220663 is 36602203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30220663 - 2¹ = 30220661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220661) 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, 6108 + ... + 9886.

It is an arithmetic number, because the mean of its divisors is an integer number (4127760).

Almost surely, 2^30220663 is an apocalyptic number.

30220663 is a deficient number, since it is larger than the sum of its proper divisors (2801417).

30220663 is a wasteful number, since it uses less digits than its factorization.

30220663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 30220663 is about 5497.3323530600. The cubic root of 30220663 is about 311.4832250344.

Adding to 30220663 its reverse (36602203), we get a palindrome (66822866).

The spelling of 30220663 in words is "thirty million, two hundred twenty thousand, six hundred sixty-three".