22443112234340 has 72 divisors (see below), whose sum is σ = 54852026923512. Its totient is φ = 7691032581120.

The previous prime is 22443112234321. The next prime is 22443112234379. The reversal of 22443112234340 is 4343221134422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 113385745984 + 22329726488356 = 336728^2 + 4725434^2 .

It is a super-3 number, since 3×22443112234340³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 22443112234340.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3565541 + ... + 7589420.

It is an arithmetic number, because the mean of its divisors is an integer number (761833707271).

Almost surely, 2^{22443112234340} is an apocalyptic number.

22443112234340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22443112234340 is an abundant number, since it is smaller than the sum of its proper divisors (32408914689172).

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

22443112234340 is a wasteful number, since it uses less digits than its factorization.

22443112234340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11157037 (or 11157028 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 22443112234340 its reverse (4343221134422), we get a palindrome (26786333368762).

The spelling of 22443112234340 in words is "twenty-two trillion, four hundred forty-three billion, one hundred twelve million, two hundred thirty-four thousand, three hundred forty".