30220122 has 16 divisors (see below), whose sum is σ = 60776352. Its totient is φ = 10017360.

The previous prime is 30220121. The next prime is 30220139. The reversal of 30220122 is 22102203.

It is a junction number, because it is equal to n+sod(n) for n = 30220098 and 30220107.

It is not an unprimeable number, because it can be changed into a prime (30220121) 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, 12828 + ... + 14999.

It is an arithmetic number, because the mean of its divisors is an integer number (3798522).

Almost surely, 2^30220122 is an apocalyptic number.

30220122 is an abundant number, since it is smaller than the sum of its proper divisors (30556230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30220122 is a wasteful number, since it uses less digits than its factorization.

30220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28013.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 30220122 is about 5497.2831471555. The cubic root of 30220122 is about 311.4813663345.

Adding to 30220122 its reverse (22102203), we get a palindrome (52322325).

The spelling of 30220122 in words is "thirty million, two hundred twenty thousand, one hundred twenty-two".