22403231340 has 192 divisors, whose sum is σ = 74366831616. Its totient is φ = 4932845568.

The previous prime is 22403231327. The next prime is 22403231369. The reversal of 22403231340 is 4313230422.

It is a self number, because there is not a number n which added to its sum of digits gives 22403231340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1309884 + ... + 1326876.

It is an arithmetic number, because the mean of its divisors is an integer number (387327248).

Almost surely, 2^22403231340 is an apocalyptic number.

22403231340 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 22403231340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37183415808).

22403231340 is an abundant number, since it is smaller than the sum of its proper divisors (51963600276).

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

22403231340 is a wasteful number, since it uses less digits than its factorization.

22403231340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17128 (or 17126 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22403231340 its reverse (4313230422), we get a palindrome (26716461762).

The spelling of 22403231340 in words is "twenty-two billion, four hundred three million, two hundred thirty-one thousand, three hundred forty".