22230231420 has 96 divisors (see below), whose sum is σ = 65719745280. Its totient is φ = 5598996480.

The previous prime is 22230231383. The next prime is 22230231427. The reversal of 22230231420 is 2413203222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230231427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347884 + ... + 406796.

It is an arithmetic number, because the mean of its divisors is an integer number (684580680).

Almost surely, 2^22230231420 is an apocalyptic number.

22230231420 is a gapful number since it is divisible by the number (20) 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 22230231420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32859872640).

22230231420 is an abundant number, since it is smaller than the sum of its proper divisors (43489513860).

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

22230231420 is a wasteful number, since it uses less digits than its factorization.

22230231420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59275 (or 59273 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22230231420 its reverse (2413203222), we get a palindrome (24643434642).

The spelling of 22230231420 in words is "twenty-two billion, two hundred thirty million, two hundred thirty-one thousand, four hundred twenty".