2243223213240 has 128 divisors (see below), whose sum is σ = 6743766093120. Its totient is φ = 596941209600.

The previous prime is 2243223213233. The next prime is 2243223213241. The reversal of 2243223213240 is 423123223422.

It is a super-2 number, since 2×2243223213240² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2243223213198 and 2243223213207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243223213241) 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, 115281592 + ... + 115301048.

Almost surely, 2^{2243223213240} is an apocalyptic number.

2243223213240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243223213240 is an abundant number, since it is smaller than the sum of its proper divisors (4500542879880).

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

2243223213240 is a wasteful number, since it uses less digits than its factorization.

2243223213240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21433 (or 21429 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 2243223213240 its reverse (423123223422), we get a palindrome (2666346436662).

The spelling of 2243223213240 in words is "two trillion, two hundred forty-three billion, two hundred twenty-three million, two hundred thirteen thousand, two hundred forty".