22304003420 has 24 divisors (see below), whose sum is σ = 47364685200. Its totient is φ = 8821357952.

The previous prime is 22304003419. The next prime is 22304003429. The reversal of 22304003420 is 2430040322.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22304003392 and 22304003401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22304003429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6263390 + ... + 6266949.

It is an arithmetic number, because the mean of its divisors is an integer number (1973528550).

Almost surely, 2^22304003420 is an apocalyptic number.

22304003420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22304003420 is an abundant number, since it is smaller than the sum of its proper divisors (25060681780).

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

22304003420 is a wasteful number, since it uses less digits than its factorization.

22304003420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12530437 (or 12530435 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 22304003420 its reverse (2430040322), we get a palindrome (24734043742).

The spelling of 22304003420 in words is "twenty-two billion, three hundred four million, three thousand, four hundred twenty".