22230456 has 32 divisors (see below), whose sum is σ = 58502400. Its totient is φ = 7020000.

The previous prime is 22230421. The next prime is 22230463. The reversal of 22230456 is 65403222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 23920 + ... + 24831.

It is an arithmetic number, because the mean of its divisors is an integer number (1828200).

Almost surely, 2^22230456 is an apocalyptic number.

It is an amenable number.

22230456 is an abundant number, since it is smaller than the sum of its proper divisors (36271944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22230456 is a wasteful number, since it uses less digits than its factorization.

22230456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48779 (or 48775 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 22230456 is about 4714.9184510445. The cubic root of 22230456 is about 281.1789406653.

Adding to 22230456 its reverse (65403222), we get a palindrome (87633678).

The spelling of 22230456 in words is "twenty-two million, two hundred thirty thousand, four hundred fifty-six".