22305423000 has 256 divisors, whose sum is σ = 82994595840. Its totient is φ = 4876608000.

The previous prime is 22305422999. The next prime is 22305423001. The reversal of 22305423000 is 32450322.

It is an interprime number because it is at equal distance from previous prime (22305422999) and next prime (22305423001).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22305423001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 459910 + ... + 506090.

It is an arithmetic number, because the mean of its divisors is an integer number (324197640).

Almost surely, 2^22305423000 is an apocalyptic number.

22305423000 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 22305423000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41497297920).

22305423000 is an abundant number, since it is smaller than the sum of its proper divisors (60689172840).

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

22305423000 is a wasteful number, since it uses less digits than its factorization.

22305423000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46235 (or 46221 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

Adding to 22305423000 its reverse (32450322), we get a palindrome (22337873322).

The spelling of 22305423000 in words is "twenty-two billion, three hundred five million, four hundred twenty-three thousand".