1222544323 has 32 divisors (see below), whose sum is σ = 1712858112. Its totient is φ = 841104000.

The previous prime is 1222544293. The next prime is 1222544353. The reversal of 1222544323 is 3234452221.

It is an interprime number because it is at equal distance from previous prime (1222544293) and next prime (1222544353).

It is not a de Polignac number, because 1222544323 - 2²¹ = 1220447171 is a prime.

It is a super-2 number, since 2×1222544323² = 2989229243399056658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1222544291 and 1222544300.

It is not an unprimeable number, because it can be changed into a prime (1222544353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3528 + ... + 49573.

It is an arithmetic number, because the mean of its divisors is an integer number (53526816).

Almost surely, 2^1222544323 is an apocalyptic number.

1222544323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1222544323 is a deficient number, since it is larger than the sum of its proper divisors (490313789).

1222544323 is a wasteful number, since it uses less digits than its factorization.

1222544323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53155.

The product of its digits is 11520, while the sum is 28.

The square root of 1222544323 is about 34964.9013011620. The cubic root of 1222544323 is about 1069.2720244130.

Adding to 1222544323 its reverse (3234452221), we get a palindrome (4456996544).

It can be divided in two parts, 1222 and 544323, that added together give a palindrome (545545).

The spelling of 1222544323 in words is "one billion, two hundred twenty-two million, five hundred forty-four thousand, three hundred twenty-three".