22144030 has 16 divisors (see below), whose sum is σ = 42204240. Its totient is φ = 8336512.

The previous prime is 22144021. The next prime is 22144049. The reversal of 22144030 is 3044122.

It is a junction number, because it is equal to n+sod(n) for n = 22143995 and 22144013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64960 + ... + 65299.

It is an arithmetic number, because the mean of its divisors is an integer number (2637765).

Almost surely, 2^22144030 is an apocalyptic number.

22144030 is a deficient number, since it is larger than the sum of its proper divisors (20060210).

22144030 is a wasteful number, since it uses less digits than its factorization.

22144030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130283.

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

The square root of 22144030 is about 4705.7443619474. The cubic root of 22144030 is about 280.8140848799.

Adding to 22144030 its reverse (3044122), we get a palindrome (25188152).

The spelling of 22144030 in words is "twenty-two million, one hundred forty-four thousand, thirty".