30144022 has 4 divisors (see below), whose sum is σ = 45216036. Its totient is φ = 15072010.

The previous prime is 30144019. The next prime is 30144029. The reversal of 30144022 is 22044103.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 30143987 and 30144005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30144029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7536004 + ... + 7536007.

It is an arithmetic number, because the mean of its divisors is an integer number (11304009).

Almost surely, 2^30144022 is an apocalyptic number.

30144022 is a deficient number, since it is larger than the sum of its proper divisors (15072014).

30144022 is a wasteful number, since it uses less digits than its factorization.

30144022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15072013.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30144022 is about 5490.3571832805. The cubic root of 30144022 is about 311.2196901717.

Adding to 30144022 its reverse (22044103), we get a palindrome (52188125).

The spelling of 30144022 in words is "thirty million, one hundred forty-four thousand, twenty-two".