30220492 has 24 divisors (see below), whose sum is σ = 56216160. Its totient is φ = 14165760.

The previous prime is 30220471. The next prime is 30220493. The reversal of 30220492 is 29402203.

It is not an unprimeable number, because it can be changed into a prime (30220493) 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 7 ways as a sum of consecutive naturals, for example, 20434 + ... + 21862.

It is an arithmetic number, because the mean of its divisors is an integer number (2342340).

Almost surely, 2^30220492 is an apocalyptic number.

It is an amenable number.

30220492 is a deficient number, since it is larger than the sum of its proper divisors (25995668).

30220492 is a wasteful number, since it uses less digits than its factorization.

30220492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761 (or 1759 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30220492 is about 5497.3168000398. The cubic root of 30220492 is about 311.4826375365.

Adding to 30220492 its reverse (29402203), we get a palindrome (59622695).

The spelling of 30220492 in words is "thirty million, two hundred twenty thousand, four hundred ninety-two".