30540422 has 16 divisors (see below), whose sum is σ = 51699600. Its totient is φ = 13403040.

The previous prime is 30540421. The next prime is 30540463. The reversal of 30540422 is 22404503.

It is a junction number, because it is equal to n+sod(n) for n = 30540394 and 30540403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30540421) 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, 23297 + ... + 24572.

It is an arithmetic number, because the mean of its divisors is an integer number (3231225).

Almost surely, 2^30540422 is an apocalyptic number.

30540422 is a deficient number, since it is larger than the sum of its proper divisors (21159178).

30540422 is a wasteful number, since it uses less digits than its factorization.

30540422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47911.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 30540422 is about 5526.3389327836. The cubic root of 30540422 is about 312.5779543124.

Adding to 30540422 its reverse (22404503), we get a palindrome (52944925).

The spelling of 30540422 in words is "thirty million, five hundred forty thousand, four hundred twenty-two".