22230392 has 8 divisors (see below), whose sum is σ = 41682000. Its totient is φ = 11115192.

The previous prime is 22230391. The next prime is 22230421. The reversal of 22230392 is 29303222.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1389392 + ... + 1389407.

It is an arithmetic number, because the mean of its divisors is an integer number (5210250).

Almost surely, 2^22230392 is an apocalyptic number.

It is an amenable number.

22230392 is a deficient number, since it is larger than the sum of its proper divisors (19451608).

22230392 is a wasteful number, since it uses less digits than its factorization.

22230392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778805 (or 2778801 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 22230392 is about 4714.9116640718. The cubic root of 22230392 is about 281.1786708332.

It can be divided in two parts, 22230 and 392, that added together give a palindrome (22622).

The spelling of 22230392 in words is "twenty-two million, two hundred thirty thousand, three hundred ninety-two".