30220675 has 18 divisors (see below), whose sum is σ = 38557428. Its totient is φ = 23496480.

The previous prime is 30220669. The next prime is 30220717. The reversal of 30220675 is 57602203.

It is not a de Polignac number, because 30220675 - 2³ = 30220667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 33784 + ... + 34666.

Almost surely, 2^30220675 is an apocalyptic number.

30220675 is a deficient number, since it is larger than the sum of its proper divisors (8336753).

30220675 is an equidigital number, since it uses as much as digits as its factorization.

30220675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 30220675 is about 5497.3334444983. Note that the first 3 decimals coincide. The cubic root of 30220675 is about 311.4832662623.

Adding to 30220675 its reverse (57602203), we get a palindrome (87822878).

The spelling of 30220675 in words is "thirty million, two hundred twenty thousand, six hundred seventy-five".