30220671 has 16 divisors (see below), whose sum is σ = 44319744. Its totient is φ = 18200544.

The previous prime is 30220669. The next prime is 30220717. The reversal of 30220671 is 17602203.

It is a happy number.

It is not a de Polignac number, because 30220671 - 2¹ = 30220669 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 6411 + ... + 10076.

It is an arithmetic number, because the mean of its divisors is an integer number (2769984).

Almost surely, 2^30220671 is an apocalyptic number.

30220671 is a deficient number, since it is larger than the sum of its proper divisors (14099073).

30220671 is a wasteful number, since it uses less digits than its factorization.

30220671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16550.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 30220671 is about 5497.3330806856. Note that the first 3 decimals coincide. The cubic root of 30220671 is about 311.4832525196.

Adding to 30220671 its reverse (17602203), we get a palindrome (47822874).

The spelling of 30220671 in words is "thirty million, two hundred twenty thousand, six hundred seventy-one".