30144422 has 16 divisors (see below), whose sum is σ = 56374272. Its totient is φ = 11744520.

The previous prime is 30144407. The next prime is 30144449. The reversal of 30144422 is 22444103.

It is a junction number, because it is equal to n+sod(n) for n = 30144394 and 30144403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97718 + ... + 98025.

It is an arithmetic number, because the mean of its divisors is an integer number (3523392).

Almost surely, 2^30144422 is an apocalyptic number.

30144422 is a deficient number, since it is larger than the sum of its proper divisors (26229850).

30144422 is a wasteful number, since it uses less digits than its factorization.

30144422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195763.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 30144422 is about 5490.3936106622. The cubic root of 30144422 is about 311.2210667556.

Adding to 30144422 its reverse (22444103), we get a palindrome (52588525).

The spelling of 30144422 in words is "thirty million, one hundred forty-four thousand, four hundred twenty-two".