30121422 has 32 divisors (see below), whose sum is σ = 63841920. Its totient is φ = 9447840.

The previous prime is 30121411. The next prime is 30121453. The reversal of 30121422 is 22412103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17772 + ... + 19392.

It is an arithmetic number, because the mean of its divisors is an integer number (1995060).

Almost surely, 2^30121422 is an apocalyptic number.

30121422 is an abundant number, since it is smaller than the sum of its proper divisors (33720498).

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

30121422 is a wasteful number, since it uses less digits than its factorization.

30121422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 30121422 is about 5488.2986434778. The cubic root of 30121422 is about 311.1418933922.

Adding to 30121422 its reverse (22412103), we get a palindrome (52533525).

The spelling of 30121422 in words is "thirty million, one hundred twenty-one thousand, four hundred twenty-two".