2223243400326 has 32 divisors (see below), whose sum is σ = 4788949498368. Its totient is φ = 684014142240.

The previous prime is 2223243400319. The next prime is 2223243400327. The reversal of 2223243400326 is 6230043423222.

It is a super-2 number, since 2×2223243400326² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223243400327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377716 + ... + 2142231.

It is an arithmetic number, because the mean of its divisors is an integer number (149654671824).

Almost surely, 2^{2223243400326} is an apocalyptic number.

2223243400326 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2223243400326 is an abundant number, since it is smaller than the sum of its proper divisors (2565706098042).

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

2223243400326 is a wasteful number, since it uses less digits than its factorization.

2223243400326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531276.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 2223243400326 its reverse (6230043423222), we get a palindrome (8453286823548).

The spelling of 2223243400326 in words is "two trillion, two hundred twenty-three billion, two hundred forty-three million, four hundred thousand, three hundred twenty-six".