22230504 has 64 divisors (see below), whose sum is σ = 62424000. Its totient is φ = 7329600.

The previous prime is 22230497. The next prime is 22230517. The reversal of 22230504 is 40503222.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 15 ways as a sum of consecutive naturals, for example, 21307 + ... + 22325.

It is an arithmetic number, because the mean of its divisors is an integer number (975375).

Almost surely, 2^22230504 is an apocalyptic number.

22230504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22230504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31212000).

22230504 is an abundant number, since it is smaller than the sum of its proper divisors (40193496).

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

22230504 is a wasteful number, since it uses less digits than its factorization.

22230504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 22230504 is about 4714.9235412677. The cubic root of 22230504 is about 281.1791430390.

Adding to 22230504 its reverse (40503222), we get a palindrome (62733726).

The spelling of 22230504 in words is "twenty-two million, two hundred thirty thousand, five hundred four".