30422420 has 48 divisors (see below), whose sum is σ = 76863360. Its totient is φ = 9880704.

The previous prime is 30422417. The next prime is 30422429. The reversal of 30422420 is 2422403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30422429) 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 15 ways as a sum of consecutive naturals, for example, 3059 + ... + 8378.

It is an arithmetic number, because the mean of its divisors is an integer number (1601320).

Almost surely, 2^30422420 is an apocalyptic number.

It is an amenable number.

30422420 is an abundant number, since it is smaller than the sum of its proper divisors (46440940).

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

30422420 is a wasteful number, since it uses less digits than its factorization.

30422420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11472 (or 11470 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 30422420 is about 5515.6522733037. The cubic root of 30422420 is about 312.1748554165.

Subtracting from 30422420 its sum of digits (17), we obtain a palindrome (30422403).

Adding to 30422420 its reverse (2422403), we get a palindrome (32844823).

The spelling of 30422420 in words is "thirty million, four hundred twenty-two thousand, four hundred twenty".